Knurled Hex Socket Shoulder Screws
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| Style | Model | Thread Size | Shoulder Length | Shoulder Dia. | Thread Length | Shoulder Length Tolerance | Head Dia. | Head Height | Dimensional Standards | Pkg. Qty. | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A | U51044.025.0100 | #10-24 | 1" | 1/4" | 3/8" | -0.005" to +0.005" | 3/8" | 3/16" | ASME B18.3 | 5 | €12.41 | |
| B | U51044.025.0062 | #10-24 | 5/8" | 1/4" | 3/8" | -0.005" to +0.005" | 3/8" | 3/16" | ASME B18.3 | 5 | €6.20 | |
| C | U51044.025.0150 | #10-24 | 1 1/2" | 1/4" | 3/8" | -0.005" to +0.005" | 3/8" | 3/16" | ASME B18.3 | 2 | €4.02 | |
| D | U51044.025.0025 | #10-24 | 1/4" | 1/4" | 3/8" | -0.005" to +0.005" | 3/8" | 3/16" | ASME B18.3 | 5 | €29.08 | |
| E | U51044.025.0031 | #10-24 | 5/16" | 1/4" | 3/8" | -0.005" to +0.005" | 3/8" | 3/16" | ASME B18.3 | 5 | €8.11 | |
| E | U51044.025.0037 | #10-24 | 3/8" | 1/4" | 3/8" | -0.005" to +0.005" | 3/8" | 3/16" | ASME B18.3 | 5 | €9.20 | |
| F | U51044.025.0050 | #10-24 | 1/2" | 1/4" | 3/8" | -0.005" to +0.005" | 3/8" | 3/16" | ASME B18.3 | 5 | €11.06 | |
| G | U51044.025.0075 | #10-24 | 3/4" | 1/4" | 3/8" | -0.005" to +0.005" | 3/8" | 3/16" | ASME B18.3 | 5 | €11.84 | |
| H | U51044.025.0125 | #10-24 | 1 1/4" | 1/4" | 3/8" | -0.005" to +0.005" | 3/8" | 3/16" | ASME B18.3 | 5 | €60.95 | |
| I | U51044.031.0075 | 1/4"-20 | 3/4" | 5/16" | 7/16" | -0.005" to +0.005" | 1/2" | 7/32" | ASME B18.3 | 5 | €50.40 | |
| J | U51044.031.0100 | 1/4"-20 | 1" | 5/16" | 7/16" | -0.005" to +0.005" | 7/16" | 7/32" | ASME B18.3 | 5 | €18.71 | |
| K | U51044.031.0125 | 1/4"-20 | 1 1/4" | 5/16" | 7/16" | -0.005" to +0.005" | 7/16" | 7/32" | ASME B18.3 | 5 | €74.81 | |
| L | U51044.031.0150 | 1/4"-20 | 1 1/2" | 5/16" | 7/16" | -0.005" to +0.005" | 7/16" | 7/32" | ASME B18.3 | 5 | €22.94 | |
| M | U51044.031.0025 | 1/4"-20 | 1/4" | 5/16" | 7/16" | -0.005" to +0.005" | 1/2" | 7/32" | ASME B18.3 | 5 | €7.33 | |
| N | U51044.031.0031 | 1/4"-20 | 5/16" | 5/16" | 7/16" | -0.005" to +0.005" | 1/2" | 7/32" | ASME B18.3 | 5 | €12.96 | |
| O | U51044.031.0037 | 1/4"-20 | 3/8" | 5/16" | 7/16" | -0.005" to +0.005" | 1/2" | 7/32" | ASME B18.3 | 5 | €54.68 | |
| P | U51044.031.0062 | 1/4"-20 | 5/8" | 5/16" | 7/16" | -0.005" to +0.005" | 1/2" | 7/32" | ASME B18.3 | 5 | €8.23 | |
| Q | U51044.031.0050 | 1/4"-20 | 1/2" | 5/16" | 7/16" | -0.005" to +0.005" | 1/2" | 7/32" | ASME B18.3 | 5 | €7.58 | |
| R | U51044.050.0075 | 3/8"-16 | 3/4" | 1/2" | 5/8" | -0.005" to +0.005" | 3/4" | 5/16" | ASME B18.3 | 5 | €93.37 | |
| S | U51044.050.0100 | 3/8"-16 | 1" | 1/2" | 5/8" | -0.005" to +0.005" | 3/4" | 5/16" | ASME B18.3 | 5 | €100.19 | |
| T | U51044.050.0050 | 3/8"-16 | 1/2" | 1/2" | 5/8" | -0.005" to +0.005" | 3/4" | 5/16" | ASME B18.3 | 5 | €33.46 | |
| U | U51044.050.0062 | 3/8"-16 | 5/8" | 1/2" | 5/8" | -0.005" to +0.005" | 3/4" | 5/16" | ASME B18.3 | 5 | €34.18 | |
| V | U51044.050.0150 | 3/8"-16 | 1 1/2" | 1/2" | 5/8" | -0.005" to +0.005" | 3/4" | 5/16" | ASME B18.3 | 2 | €17.73 | |
| W | U51044.050.0125 | 3/8"-16 | 1 1/4" | 1/2" | 5/8" | -0.005" to +0.005" | 3/4" | 5/16" | ASME B18.3 | 5 | €112.17 | |
| X | U51044.050.0037 | 3/8"-16 | 3/8" | 1/2" | 5/8" | -0.005" to +0.005" | 3/4" | 5/16" | ASME B18.3 | 5 | €115.80 | |
| E | U51044.037.0125 | 5/16"-18 | 1 1/4" | 3/8" | 1/2" | -0.005" to +0.005" | 9/16" | 1/4" | ASME B18.3 | 2 | €13.08 | |
| Y | U51044.037.0100 | 5/16"-18 | 1" | 3/8" | 1/2" | -0.005" to +0.005" | 9/16" | 1/4" | ASME B18.3 | 2 | €10.24 | |
| Z | U51044.037.0037 | 5/16"-18 | 3/8" | 3/8" | 1/2" | -0.005" to +0.005" | 9/16" | 1/4" | ASME B18.3 | 5 | €91.76 | |
| A1 | U51044.037.0031 | 5/16"-18 | 5/16" | 3/8" | 1/2" | -0.005" to +0.005" | 9/16" | 1/4" | - | 5 | €10.90 | |
| B1 | U51044.037.0150 | 5/16"-18 | 1 1/2" | 3/8" | 1/2" | -0.005" to +0.005" | 9/16" | 1/4" | ASME B18.3 | 2 | €34.55 | |
| C1 | U51044.037.0062 | 5/16"-18 | 5/8" | 3/8" | 1/2" | -0.005" to +0.005" | 9/16" | 1/4" | ASME B18.3 | 5 | €62.97 | |
| D1 | U51044.037.0075 | 5/16"-18 | 3/4" | 3/8" | 1/2" | -0.005" to +0.005" | 9/16" | 1/4" | ASME B18.3 | 5 | €70.70 | |
| E1 | U51044.037.0050 | 5/16"-18 | 1/2" | 3/8" | 1/2" | -0.005" to +0.005" | 9/16" | 1/4" | ASME B18.3 | 5 | €23.16 | |
| E | U51044.037.0025 | 5/16"-18 | 1/4" | 3/8" | 1/2" | -0.005" to +0.005" | 9/16" | 1/4" | ASME B18.3 | 5 | €74.81 | |
| E | M51044.060.0010 | M5 x 0.8 | 10 mm | 6 mm | 9.5 mm | 0 mm to 0.25 mm | 10 mm | 4.5 mm | Iso 7379 | 5 | €62.13 | |
| E | M51044.060.0012 | M5 x 0.8 | 12 mm | 6 mm | 9.5 mm | 0 mm to 0.25 mm | 10 mm | 4.5 mm | Iso 7379 | 5 | €71.90 | |
| E | M51044.060.0016 | M5 x 0.8 | 16 mm | 6 mm | 9.5 mm | 0 mm to 0.25 mm | 10 mm | 4.5 mm | Iso 7379 | 5 | €129.88 | |
| F1 | M51044.060.0020 | M5 x 0.8 | 20 mm | - | 9.5 mm | 0 mm to 0.25 mm | 10 mm | 4.5 mm | Iso 7379 | 5 | €97.94 | |
| G1 | M51044.060.0025 | M5 x 0.8 | 25 mm | 6 mm | 9.5 mm | 0 mm to 0.25 mm | 10 mm | 4.5 mm | Iso 7379 | 5 | €112.63 | |
| E | M51044.060.0030 | M5 x 0.8 | 30 mm | 6 mm | 9.5 mm | 0 mm to 0.25 mm | 10 mm | 4.5 mm | Iso 7379 | 5 | €113.94 | |
| E | M51044.060.0040 | M5 x 0.8 | 40 mm | 6 mm | 9.5 mm | 0 mm to 0.25 mm | 10 mm | 4.5 mm | Iso 7379 | 5 | €144.17 | |
| E | M51044.080.0025 | M6 x 1 | 25 mm | 8 mm | 11 mm | 0 mm to 0.25 mm | 13 mm | 5.5 mm | Iso 7379 | 5 | €148.57 | |
| E | M51044.080.0030 | M6 x 1 | 30 mm | 8 mm | 11 mm | 0 mm to 0.25 mm | 13 mm | 5.5 mm | Iso 7379 | 5 | €154.96 | |
| E | M51044.080.0012 | M6 x 1 | 12 mm | 8 mm | 11 mm | 0 mm to 0.25 mm | 13 mm | 5.5 mm | Iso 7379 | 5 | €85.63 | |
| E | M51044.080.0016 | M6 x 1 | 16 mm | 8 mm | 11 mm | - | 13 mm | 5.5 mm | Iso 7379 | 5 | €102.50 | |
| E | M51044.080.0050 | M6 x 1 | 50 mm | 8 mm | 11 mm | 0 mm to 0.25 mm | 13 mm | 5.5 mm | Iso 7379 | 5 | €197.47 | |
| E | M51044.080.0020 | M6 x 1 | 20 mm | 8 mm | 11 mm | 0.25 mm | 13 mm | 5.5 mm | - | 5 | €133.16 | |
| E | M51044.080.0040 | M6 x 1 | 40 mm | 8 mm | 11 mm | 0 mm to 0.25 mm | 13 mm | 5.5 mm | Iso 7379 | 5 | €152.93 | |
| H1 | M51044.100.0016 | M8 x 1.25 | 16 mm | 10 mm | 13 mm | 0 mm to 0.25 mm | 16 mm | 7 mm | Iso 7379 | 5 | €100.51 | |
| I1 | M51044.100.0020 | M8 x 1.25 | 20 mm | 10 mm | 13 mm | 0 mm to 0.25 mm | 16 mm | 7 mm | Iso 7379 | 5 | €145.94 | |
| J1 | M51044.100.0025 | M8 x 1.25 | 25 mm | 10 mm | 13 mm | 0 mm to 0.25 mm | 16 mm | 7 mm | Iso 7379 | 5 | €170.52 | |
| E | M51044.100.0030 | M8 x 1.25 | 30 mm | 10 mm | 13 mm | 0 mm to 0.25 mm | 16 mm | 7 mm | Iso 7379 | 5 | €143.75 | |
| E | M51044.100.0040 | M8 x 1.25 | 40 mm | 10 mm | 13 mm | 0 mm to 0.25 mm | 16 mm | 7 mm | Iso 7379 | 5 | €141.41 | |
| E | M51044.100.0050 | M8 x 1.25 | 50 mm | 10 mm | 13 mm | 0 mm to 0.25 mm | 16 mm | 7 mm | Iso 7379 | 5 | €157.61 | |
| E | M51044.100.0060 | M8 x 1.25 | 60 mm | 10 mm | 13 mm | 0 mm to 0.25 mm | 16 mm | 7 mm | Iso 7379 | 2 | €70.70 | |
| E | M51044.100.0070 | M8 x 1.25 | 70 mm | 10 mm | 13 mm | 0 mm to 0.25 mm | 16 mm | 7 mm | Iso 7379 | 2 | €70.70 | |
| E | M51044.120.0050 | M10 x 1.5 | 50 mm | 12 mm | 16 mm | 0 mm to 0.25 mm | 18 mm | 9 mm | Iso 7379 | 2 | €88.73 | |
| E | M51044.120.0025 | M10 x 1.5 | 25 mm | 12 mm | 16 mm | 0 mm to 0.25 mm | 18 mm | 9 mm | Iso 7379 | 5 | €172.05 | |
| E | M51044.120.0016 | M10 x 1.5 | 16 mm | 12 mm | 16 mm | 0 mm to 0.25 mm | 18 mm | 9 mm | Iso 7379 | 5 | €133.99 | |
| E | M51044.120.0030 | M10 x 1.5 | 30 mm | 12 mm | 16 mm | 0 mm to 0.25 mm | 18 mm | 9 mm | Iso 7379 | 5 | €189.22 | |
| E | M51044.120.0040 | M10 x 1.5 | 40 mm | 12 mm | 16 mm | 0 mm to 0.25 mm | 18 mm | 9 mm | Iso 7379 | 2 | €64.74 |



































