Lock Washers
Lock washers are used for creating tight assemblies with ordinary fasteners. Raptor Supplies offers a wide range of lock washers from brands like Unistrut,
NORD-LOCK -
Plain Grade 254 SMO Stainless Steel Wedge Lock Washers
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Y| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Hardness | Thickness | Thickness Tolerance | For Screw Size | Color | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 1560 | €61.35 | 10 | |||||||||
| B | 1561 | €75.64 | 10 | |||||||||
| C | 1562 | €64.26 | 10 | |||||||||
| D | 1563 | €68.60 | 10 | |||||||||
| E | 1564 | €62.08 | 10 | |||||||||
| F | 1566 | €81.51 | 10 | |||||||||
| G | 1565 | €56.98 | 10 | |||||||||
| H | 1604 | €163.98 | 1 | |||||||||
| I | 2834 | €119.93 | 1 | |||||||||
| J | 1600 | €94.93 | 1 | |||||||||
| K | 2835 | €136.76 | 1 | |||||||||
| L | 1597 | €87.77 | 1 | |||||||||
| M | 1596 | €93.99 | 2 | |||||||||
| N | 1580 | €89.41 | 6 | |||||||||
| O | 1581 | €97.31 | 4 | |||||||||
| P | 1570 | €76.52 | 10 | |||||||||
| Q | 1569 | €70.70 | 10 | |||||||||
| R | 1589 | €89.90 | 2 | |||||||||
| S | 1588 | €65.31 | 3 | |||||||||
| T | 1574 | €85.79 | 6 | |||||||||
| U | 1573 | €101.11 | 10 | |||||||||
| V | 1584 | €83.35 | 4 | |||||||||
| W | 1585 | €93.17 | 3 | |||||||||
| X | 1572 | €96.10 | 10 | |||||||||
| Y | 1571 | €66.72 | 10 |
APPROVED VENDOR -
Plain Grade 18-8 Stainless Steel Internal Tooth Lock Washers
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K| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Hardness | Thickness | Thickness Tolerance | For Screw Size | Class | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | U51462.011.0001 | €8.36 | 50 | |||||||||
| B | U51462.013.0001 | €5.19 | 50 | |||||||||
| C | U51462.016.0001 | €16.24 | 50 | |||||||||
| D | U51462.019.0001 | €8.12 | 50 | |||||||||
| E | U51462.050.0001 | €15.21 | 10 | |||||||||
| F | U51462.025.0001 | €16.94 | 50 | |||||||||
| G | U51462.075.0001 | €20.01 | 5 | |||||||||
| H | U51462.037.0001 | €32.87 | 50 | |||||||||
| I | U51462.062.0001 | €29.89 | 10 | |||||||||
| J | U51462.031.0001 | €28.37 | 50 | |||||||||
| K | U51462.056.0001 | €29.69 | 10 |
FABORY -
Plain Stainless Steel External Tooth Lock Washers
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U| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Thickness | Color | Type | Material | Finish | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B55460.012.0001 | €73,269.07 | 50000 | |||||||||
| B | B51460.031.0001 | €1,942.92 | 25000 | |||||||||
| C | B51460.016.0001 | €2,248.49 | 50000 | |||||||||
| D | B51460.037.0001 | €2,143.51 | 14450 | |||||||||
| E | B53460.031.0001 | €2,629.52 | 25000 | |||||||||
| F | B53460.062.0001 | €5,735.66 | 5000 | |||||||||
| G | B51460.019.0001 | €5,753.18 | 50000 | |||||||||
| H | B51460.050.0001 | €1,795.42 | 5000 | |||||||||
| I | B53460.075.0001 | €2,123.86 | 2500 | |||||||||
| J | L51460.030.0001 | €2,804.36 | 50000 | |||||||||
| K | L51460.040.0001 | €1,205.70 | 50000 | |||||||||
| L | L51460.050.0001 | €989.33 | 25000 | |||||||||
| M | L51460.051.0001 | €3,815.93 | 25000 | |||||||||
| N | L51460.060.0001 | €3,099.45 | 25000 | |||||||||
| O | L51460.080.0001 | €1,833.88 | 15850 | |||||||||
| P | L51460.082.0001 | €1,971.81 | 15850 | |||||||||
| Q | L51460.100.0001 | €915.46 | 8300 | |||||||||
| R | L51460.120.0001 | €1,208.98 | 6650 | |||||||||
| S | L51460.160.0001 | €981.77 | 3120 | |||||||||
| T | L51460.200.0001 | €1,739.04 | 1665 | |||||||||
| U | L51460.240.0001 | €1,294.08 | 1250 |
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Yellow Zinc Plated Spring Steel Split Lock Washers
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D| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Thickness | Color | For Screw Size | Class | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | M37060.030.0001 | €5.02 | 100 | ||||||||
| A | M37060.040.0001 | €5.91 | 100 | ||||||||
| A | M37060.050.0001 | €6.46 | 100 | ||||||||
| B | M37060.060.0001 | €10.06 | 100 | ||||||||
| A | M37060.070.0001 | €22.60 | 100 | ||||||||
| A | M37060.080.0001 | €14.16 | 100 | ||||||||
| C | M37060.100.0001 | €13.62 | 100 | ||||||||
| A | M37060.120.0001 | €32.71 | 100 | ||||||||
| A | M37060.140.0001 | €38.01 | 100 | ||||||||
| D | M37060.160.0001 | €38.75 | 50 | ||||||||
| A | M37060.180.0001 | €43.87 | 50 | ||||||||
| A | M37060.200.0001 | €23.35 | 25 | ||||||||
| A | M37060.220.0001 | €44.36 | 25 |
A| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Thickness | For Screw Size | Class | Hardness | Color | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | LW7S00200-100P1 | €4.37 | 100 | |||||||||
| A | LW7S00250-100P1 | €4.40 | 100 | |||||||||
| A | LW7S00260-100P1 | €4.39 | 100 |
APPROVED VENDOR -
Plain Grade 316 Stainless Steel External Tooth Lock Washers
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F| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Hardness | Thickness | Thickness Tolerance | For Screw Size | Class | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | U55460.009.0001 | €41.45 | 50 | |||||||||
| B | U55460.011.0001 | €21.94 | 50 | |||||||||
| C | U55460.012.0001 | €91.58 | 50 | |||||||||
| D | U55460.013.0001 | €112.33 | 50 | |||||||||
| E | U55460.016.0001 | €13.77 | 50 | |||||||||
| F | U55460.019.0001 | €20.69 | 50 |
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Zinc Plated Steel Split Lock Washers
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X| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Hardness | Thickness | Color | Thickness Tolerance | For Screw Size | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | U37020.008.0001 | €4.76 | 100 | |||||||||
| B | B37183.125.0001 | €430.15 | 110 | |||||||||
| C | B37171.037.0001 | €1,225.35 | 3100 | |||||||||
| D | U37183.009.0001 | €24.26 | 100 | |||||||||
| E | B37171.011.0001 | €8,307.64 | 90000 | |||||||||
| F | U37020.009.0001 | €4.66 | 100 | |||||||||
| G | B37171.075.0001 | €2,689.29 | 500 | |||||||||
| E | B37171.013.0001 | €4,557.83 | 50000 | |||||||||
| H | U37171.011.0001 | €10.59 | 100 | |||||||||
| I | LWLIS0-40USA-100BX | €3.13 | 100 | |||||||||
| J | U37183.011.0001 | €6.62 | 100 | |||||||||
| K | B37171.150.0001 | €1,316.78 | 70 | |||||||||
| L | U37020.011.0001 | €2.35 | 100 | |||||||||
| M | B37183.137.0001 | €1,210.02 | 80 | |||||||||
| N | B37171.087.0001 | €1,324.22 | 320 | |||||||||
| O | U37183.012.0001 | €8.45 | 100 | |||||||||
| P | U37020.012.0001 | €3.13 | 100 | |||||||||
| Q | B37171.016.0001 | €6,633.84 | 41600 | |||||||||
| R | B37171.100.0001 | €853.46 | 220 | |||||||||
| S | LWLIS0-60USA-100BX | €2.80 | 100 | |||||||||
| T | U37183.013.0001 | €8.84 | 100 | |||||||||
| U | U37171.013.0001 | €10.03 | 100 | |||||||||
| V | B37183.150.0001 | €1,258.74 | 65 | |||||||||
| W | U37020.013.0001 | €1.89 | 100 | |||||||||
| X | U37183.016.0001 | €11.75 | 100 |
| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Thickness | For Screw Size | Color | Type | Material | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | M37420.020.0001 | €7.06 | 100 | |||||||||
| A | M37420.025.0001 | €9.74 | 100 | |||||||||
| A | M37420.035.0001 | €8.80 | 100 | |||||||||
| A | M37420.050.0002 | €13.20 | 100 | |||||||||
| A | M37420.080.0002 | €19.27 | 100 | |||||||||
| A | M37420.110.0001 | €32.11 | 50 | |||||||||
| A | M37420.140.0001 | €42.40 | 50 | |||||||||
| A | M37420.180.0001 | €70.70 | 25 | |||||||||
| A | M37420.270.0001 | €32.78 | 10 | |||||||||
| A | M37420.300.0001 | €20.40 | 5 |
| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Thickness | Color | For Screw Size | Hardness | Thickness Tolerance | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | U37061.150.0001 | €17.43 | 5 | |||||||||
| A | U37061.125.0001 | €10.46 | 5 | |||||||||
| A | U37061.112.0001 | €19.54 | 5 | |||||||||
| A | U37061.137.0001 | €70.70 | 5 | |||||||||
| A | U37061.100.0001 | €6.72 | 5 | |||||||||
| A | U37061.050.0001 | €4.85 | 25 | |||||||||
| A | U37061.025.0001 | €4.33 | 100 | |||||||||
| A | U37061.075.0001 | €6.04 | 10 | |||||||||
| A | B37061.037.0001 | €237.30 | 3400 | |||||||||
| A | U37061.037.0001 | €5.36 | 50 | |||||||||
| A | U37061.062.0001 | €5.04 | 10 | |||||||||
| A | U37061.031.0001 | €6.00 | 100 | |||||||||
| A | U37061.087.0001 | €5.12 | 5 | |||||||||
| A | U37061.043.0001 | €4.46 | 25 | |||||||||
| A | U37061.056.0001 | €6.49 | 25 |
| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Thickness | Color | For Screw Size | Type | Material | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | M37302.030.0001 | €6.60 | 100 | |||||||||
| A | M37302.040.0001 | €7.56 | 100 | |||||||||
| A | M37302.050.0001 | €7.88 | 100 | |||||||||
| A | M37302.060.0001 | €9.99 | 100 | |||||||||
| A | M37302.080.0001 | €17.65 | 100 | |||||||||
| A | M37302.100.0001 | €21.38 | 100 | |||||||||
| A | M37302.120.0001 | €32.58 | 100 | |||||||||
| A | M37302.160.0001 | €89.88 | 100 | |||||||||
| A | M37302.240.0001 | €205.83 | 50 |
METRIC BLUE -
Metric Blue Alloy Steel Split Lock Washers
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DNORD-LOCK -
Plain Grade 316 Stainless Steel Wedge Lock Washers
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B| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Hardness | Thickness | Thickness Tolerance | For Screw Size | Color | Price | Pkg. Qty. | |
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| A | 1090 | €1,321.06 | 200 | |||||||||
| B | 1069 | €1,037.32 | 200 | |||||||||
| A | 1071 | €1,109.86 | 200 | |||||||||
| B | 1070 | €1,054.14 | 200 | |||||||||
| A | 1074 | €1,038.26 | 200 | |||||||||
| B | 1072 | €1,032.52 | 200 | |||||||||
| A | 1079 | €1,065.82 | 200 | |||||||||
| B | 1075 | €1,017.20 | 200 | |||||||||
| B | 2807 | €3,519.10 | 25 | |||||||||
| B | 2733 | €2,215.47 | 25 | |||||||||
| B | 2722 | €3,988.67 | 50 | |||||||||
| A | 2745 | €3,486.70 | 25 | |||||||||
| B | 2902 | €501.38 | 1 | |||||||||
| B | 2732 | €2,935.95 | 25 | |||||||||
| A | 2746 | €4,270.89 | 50 | |||||||||
| B | 2734 | €3,706.27 | 100 | |||||||||
| B | 2149 | €1,799.10 | 200 | |||||||||
| A | 1110 | €2,027.25 | 100 | |||||||||
| B | 1085 | €1,071.51 | 200 | |||||||||
| A | 1086 | €1,184.19 | 200 | |||||||||
| B | 2907 | €1,281.30 | 1 | |||||||||
| B | 2905 | €1,316.85 | 1 | |||||||||
| B | 2904 | €1,168.48 | 1 | |||||||||
| B | 2910 | €1,394.44 | 1 | |||||||||
| A | 2740 | €3,504.56 | 100 |
APPROVED VENDOR -
Plain Grade A2 Stainless Steel External Tooth Lock Washers
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R| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Hardness | Thickness | For Screw Size | Class | Price | Pkg. Qty. | |
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| A | M51456.030.0001 | €2.34 | 50 | ||||||||
| B | M51460.030.0001 | €2.80 | 50 | ||||||||
| C | M51456.040.0001 | €2.02 | 50 | ||||||||
| D | M51460.040.0001 | €1.94 | 50 | ||||||||
| E | M51456.050.0001 | €3.77 | 50 | ||||||||
| F | M51460.050.0001 | €2.74 | 50 | ||||||||
| G | M51460.051.0001 | €9.74 | 50 | ||||||||
| H | M51456.060.0001 | €3.79 | 50 | ||||||||
| I | M51460.060.0001 | €6.38 | 50 | ||||||||
| J | M51460.080.0001 | €5.94 | 50 | ||||||||
| G | M51460.082.0001 | €7.89 | 50 | ||||||||
| K | M51456.080.0001 | €6.20 | 50 | ||||||||
| G | M51460.100.0001 | €7.14 | 50 | ||||||||
| L | M51456.100.0001 | €6.93 | 50 | ||||||||
| M | M51456.120.0001 | €3.66 | 25 | ||||||||
| N | M51460.120.0001 | €5.81 | 25 | ||||||||
| O | M51456.140.0001 | €5.51 | 25 | ||||||||
| G | M51460.160.0001 | €4.33 | 10 | ||||||||
| P | M51456.160.0001 | €5.63 | 10 | ||||||||
| Q | M51460.200.0001 | €6.70 | 5 | ||||||||
| R | M51460.240.0001 | €5.32 | 5 |
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Plain Phosphor Bronze Internal Tooth Lock Washers
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R| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Hardness | Thickness | Thickness Tolerance | For Screw Size | Class | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | B50462.037.0001 | €7,400.09 | 13150 | |||||||||
| B | B50462.008.0001 | €6,289.91 | 90000 | |||||||||
| C | U50462.008.0001 | €6.41 | 100 | |||||||||
| D | B50462.050.0001 | €8,020.54 | 6750 | |||||||||
| E | B50462.011.0001 | €8,039.12 | 90000 | |||||||||
| F | U50462.011.0001 | €13.14 | 100 | |||||||||
| G | B50462.013.0001 | €8,859.34 | 90000 | |||||||||
| H | U50462.013.0001 | €12.12 | 100 | |||||||||
| I | B50462.016.0001 | €5,237.38 | 50000 | |||||||||
| J | B50462.019.0001 | €10,826.40 | 50000 | |||||||||
| K | U50462.016.0001 | €12.46 | 100 | |||||||||
| L | U50462.019.0001 | €29.91 | 100 | |||||||||
| M | B50462.031.0001 | €11,134.73 | 17200 | |||||||||
| N | U50462.050.0001 | €29.79 | 25 | |||||||||
| O | U50462.025.0001 | €33.52 | 100 | |||||||||
| P | B50462.025.0001 | €7,961.53 | 37000 | |||||||||
| Q | U50462.037.0001 | €44.11 | 50 | |||||||||
| R | U50462.031.0001 | €74.29 | 100 |
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Plain Grade 18-8 Stainless Steel Split Lock Washers
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Y| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Hardness | Thickness | Thickness Tolerance | Resistance Properties | For Screw Size | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 1NY83 | €19.77 | 1000 | |||||||||
| B | U51450.008.0001 | €1.62 | 50 | |||||||||
| C | 1NY84 | €4.64 | 100 | |||||||||
| D | U51450.009.0001 | €2.38 | 50 | |||||||||
| E | 1NY86 | €6.07 | 100 | |||||||||
| F | U51450.011.0001 | €2.14 | 50 | |||||||||
| G | B51450.011.0001 | €25.04 | 1000 | |||||||||
| H | 1NY89 | €4.85 | 100 | |||||||||
| I | U51450.012.0001 | €2.71 | 50 | |||||||||
| J | B51450.013.0001 | €21.12 | 1000 | |||||||||
| K | U51450.013.0001 | €2.83 | 50 | |||||||||
| L | U51450.016.0001 | €2.34 | 50 | |||||||||
| M | B51450.016.0001 | €45.37 | 1000 | |||||||||
| N | U51450.019.0001 | €2.78 | 50 | |||||||||
| O | B51450.019.0001 | €63.07 | 1000 | |||||||||
| P | 1NY96 | €9.64 | 100 | |||||||||
| Q | U51450.021.0001 | €4.32 | 50 | |||||||||
| R | U51450.150.0001 | €59.03 | 5 | |||||||||
| S | U51450.125.0001 | €50.53 | 5 | |||||||||
| T | U51450.112.0001 | €15.44 | 5 | |||||||||
| U | U51450.100.0001 | €16.59 | 5 | |||||||||
| V | 1PA16 | €58.27 | 10 | |||||||||
| W | U51450.050.0001 | €5.75 | 10 | |||||||||
| X | U51390.025.0001 | €10.65 | 50 | |||||||||
| Y | 1NY12 | €14.13 | 100 |
APPROVED VENDOR -
Plain Grade 18-8 Stainless Steel External Tooth Lock Washers
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H| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Hardness | Thickness | Thickness Tolerance | For Screw Size | Class | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | U51460.011.0001 | €3.62 | 50 | |||||||||
| B | U51460.013.0001 | €8.19 | 50 | |||||||||
| C | U51460.016.0001 | €2.04 | 50 | |||||||||
| D | U51460.019.0001 | €2.81 | 50 | |||||||||
| E | U51460.050.0001 | €5.97 | 10 | |||||||||
| F | U51460.025.0001 | €13.72 | 50 | |||||||||
| G | U51460.037.0001 | €8.91 | 50 | |||||||||
| H | U51460.031.0001 | €3.82 | 50 |
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Delta Protect Steel Wedge Lock Washers
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Y| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Hardness | Thickness | Thickness Tolerance | For Screw Size | Color | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | 1206 | €340.55 | 200 | |||||||||
| B | 1512 | €43.79 | 20 | |||||||||
| C | 1208 | €364.28 | 200 | |||||||||
| D | 1207 | €360.76 | 200 | |||||||||
| E | 1513 | €43.23 | 20 | |||||||||
| F | 1514 | €43.23 | 20 | |||||||||
| G | 1212 | €365.91 | 200 | |||||||||
| H | 1515 | €43.79 | 20 | |||||||||
| I | 1516 | €43.79 | 20 | |||||||||
| J | 1209 | €281.20 | 200 | |||||||||
| K | 1517 | €43.17 | 20 | |||||||||
| L | 1518 | €43.79 | 20 | |||||||||
| M | 1213 | €281.20 | 200 | |||||||||
| N | 1218 | €366.00 | 200 | |||||||||
| O | 2806 | €779.57 | 25 | |||||||||
| P | 1558 | €38.82 | 1 | |||||||||
| Q | GDP-113 | €450.54 | 25 | |||||||||
| R | 2717 | €614.99 | 25 | |||||||||
| S | 2742 | €778.59 | 25 | |||||||||
| T | GDP-112 | €294.53 | 25 | |||||||||
| U | 1554 | €30.45 | 1 | |||||||||
| V | 1555 | €38.82 | 1 | |||||||||
| W | 1341 | €823.59 | 50 | |||||||||
| X | 1552 | €28.27 | 1 | |||||||||
| Y | GDP-111 | €252.02 | 25 |
FABORY -
Plain Spring Steel Split Lock Washers
AB| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Thickness | For Screw Size | Color | Type | Material | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | M37200.180.0001 | €8.09 | 10 | |||||||||
| A | M37200.220.0001 | €12.35 | 10 | |||||||||
| A | M37200.270.0001 | €24.13 | 10 | |||||||||
| A | M37200.360.0001 | €24.15 | 5 | |||||||||
| B | M37000.390.0001 | €15.43 | 2 | |||||||||
| B | M37000.450.0001 | €23.16 | 2 | |||||||||
| B | M37000.520.0001 | €44.03 | 2 | |||||||||
| B | M37000.560.0001 | €43.80 | 1 |
AMIDWEST ACORN NUT -
Chrome Plated Steel Split Lock Washers
A
B
C
A| Style | Model | Fits Bolt Sizes | Inside Dia. | Outside Dia. | Thickness | For Screw Size | Class | Hardness | Price | Pkg. Qty. | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| A | SIW7S0200-100P1 | €8.44 | 100 | ||||||||
| A | SIW7S0250-100P1 | €8.91 | 100 | ||||||||
| A | SIW7S0260-100P1 | €7.49 | 100 | ||||||||
| A | SIW7S0350-100P1 | €5.85 | 100 | ||||||||
| A | SIW7S1400-100P2 | €52.66 | 100 | ||||||||
| A | SIW7S1600-100P2 | €58.34 | 100 | ||||||||
| A | SIW7S1800-050P2 | €46.16 | 50 | ||||||||
| A | SIW7S2000-050P2 | €57.43 | 50 |
Lock Washers
Lock washers are used for creating tight assemblies with ordinary fasteners. Raptor Supplies offers a wide range of lock washers from brands like Unistrut, Vulcan-Hart, Midwest Acorn Nut, Fabory, Super-Strut, Metric Blue, Woodhead, Foreverbolt, Cooper B-Line, Disc-Lock and Armor Coat. These lock washers grab adjoining materials for preventing loosening due to vibration.
Frequently Asked Questions
How to install a lock washer?
- Place the lock washer between the threaded fastener (like a nut) and the screw / bolt head.
- Make sure that the lock washer press against the fastener & other adjacent surfaces and forms a tight connection. Press the fastener down to lock the grooves of a tooth lock washer with the grooves of the nut.
- Use a wrench or ratchet to tighten the nut or threaded fastener.
- Make sure that the teeth of the tooth lock washer are covered completely by the nut / fastener head, or that the split lock washer is slightly out of alignment to indicate tension on the threaded fastener. Users may loosen the nut / threaded fastener to adjust the washer if it is not operating correctly.
How to remove a lock washer?
- After the operation is completed, the washer can be removed by simply removing the nut / threaded fastener that is holding the washer in place using a vise-grip or pipe wrench.
- Use a flat screwdriver to pry the lock washer off. When removing a split washer, the screwdriver head should be placed inside the split or beneath the washer and pushed. When removing a washer having teeth, the screwdriver head should be placed under a tooth and pushed up, repeating the procedure with more teeth if required. For other lock washer types, the screwdriver head can be placed below the washer and pushed up. The washer may break during removal, depending on the amount of pressure being applied.
- If the lock washer does not budge, use penetrating oil and repeat the previous step.
- Some lock washers can be used multiple times easily. Other washers (split lock) can be used only 1 or 2 times. Users should not reuse a split lock washer or other damaged washers. Do not use old washers in high-stress joint applications.
What is the difference between lock washers and flat washers?
Flat washers are suitable for increasing the surface area and distributing the applied force when tightening the fastener. They can be used on the fastener's bolt & nut sides, or used as spacers where using a bolt may not be suitable.
Lock washers create tension during tightening to prevent the loosening of nuts. They are generally used on the fastener's nut side for applications involving vibrations.
Which type of lock washers has the highest vibration resistance?
Split Lock, Tooth Lock, Diamond-Coated Lock, Spring Lock and Wedge Lock type lock washers have vibration resistance in ascending or increasing order.
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