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Cotter Pins

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Cotter pins are designed to act as a locking mechanism in nuts & bolts (with a hole) for a secure fit, even if the nut loosens. Raptor Supplies offers a wide range of cotter hairpins...Read more

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Hammerlock Cotter Pins

M55970.040.0001A
WWG-CPHZ-023-LZB
StyleModelPin TypePin Dia.MaterialFinishPricePkg. Qty.
AM55970.040.0001Bridge3.6 mmStainless SteelPlain€98.045
AM55970.032.0001Bridge2.8 mmStainless SteelPlain€56.135
AM39630.030.0001Bridge3 mmSteelZinc Plated€23.9910
AM39630.090.0001Bridge8 mmSteelZinc Plated€22.221
AM55970.050.0001Bridge4.5 mmStainless SteelPlain€159.685
BWWG-CPHZ-023-LZExtended Prong1/8"SteelZinc Plated€138.456000
B2UJJ4Hammerlock3/16"BrassZinc Plated€317.99100
BU39351.012.0050Hammerlock1/8"SteelZinc Plated€5.06100
BWWG-CPHZ-012Hammerlock3/32"SteelZinc Plated€5.57100
B2UJH8Hammerlock7/64"BrassPlain€163.49100
APPROVED VENDOR -

Retaining Cotter Pins

APPROVED VENDOR WWG-BP-235A
APPROVED VENDOR WWG-BPS-219B
StyleModelPin Dia.MaterialFinishFor Shaft Dia.Pin TypePricePkg. Qty.
AWWG-BP-2351/4"Stainless SteelZinc Plated1 1/4" to 1 1/2"Bridge€71.2210
BWWG-BPS-2191/4"Stainless SteelPlain3/4" to 1"Bridge€8.881
A1PVN31/8"SteelZinc Plated1/2" to 5/8"Bridge€13.3325
BWWG-BPS-2271/8"Stainless SteelPlain5/8" to 7/8"Bridge€21.1210
BWWG-BPS-2111/8"Stainless SteelPlain7/16" to 3/4"Bridge€45.7525
BWWG-BPS6-2161/8"Stainless SteelPlain1/2" to 3/4"Bridge€33.3510
BWWG-BPS-2161/8"Stainless SteelPlain1/2" to 3/4"Bridge€35.9325
BWWG-BPS6-2271/8"Stainless SteelPlain5/8" to 7/8"Bridge€31.6210
BWWG-BPS6-2221/16"Stainless SteelPlain1/4" to 1/2"Bridge€36.8325
BWWG-BPS-2221/16"Stainless SteelPlain1/4" to 1/2"Bridge€31.9250
BWWG-BPS-2311/32"Stainless SteelPlain1/8" to 5/32"Bridge€28.8250
BWWG-BPS-2033/32"Stainless SteelPlain1/4" to 1/2"Bridge€38.3250
BWWG-BPS-2073/32"Stainless SteelPlain1/4" to 5/8"Bridge€43.4750
BWWG-BPS6-2033/32"Stainless SteelPlain1/4" to 1/2"Bridge€16.6325
BWWG-BPS-2143/32"Stainless SteelPlain3/8" to 3/4"Bridge€21.5825
BWWG-BPS-2233/64"Stainless SteelPlain3/16" to 1/4"Bridge€30.2050
BWWG-BPS-2323/64"Stainless SteelPlain1/16" to 1/8"Bridge€20.60100
BWWG-BPS-2243/64"Stainless SteelPlain1/4" to 3/8"Bridge€62.7850
BWWG-BPS-2215/16"Stainless SteelPlain1/8" to 3/16"Bridge€15.8750
BWWG-BPS-2135/64"Stainless SteelPlain1/4" to 3/8"Bridge€32.6350
BWWG-BPS6-2135/64"Stainless SteelPlain1/4" to 3/8"Bridge€30.9225
BWWG-BPS-2175/64"Stainless SteelPlain3/8" to 1/2"Bridge€41.6450
BWWG-BPS6-2175/64"Stainless SteelPlain3/8" to 1/2"Bridge€22.2725
BWWG-BPS-2099/64"Stainless SteelPlain3/4" to 1 1/8"Bridge€34.5810
BWWG-BPS6-20611/64"Stainless SteelPlain5/8" to 1"Bridge€32.565
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Hairpin Cotter Pins

2UJN3A
3DYT2B
3DYT5C
2UJR7D
StyleModelPin TypePin Dia.MaterialFinishFor Shaft Dia.PricePkg. Qty.
A2UJN3-3/32"SteelZinc Plated1/4" to 1/2"€11.3525
B3DYT2-0.091"Stainless SteelZinc Plated5/16" to 1/2"€10.9325
A2UJN8Bridge1/8"SteelZinc Plated1/2" to 3/4"€11.6125
A2UJP6Bridge9/64"SteelZinc Plated5/8" to 1"€20.4025
A2UJL8Bridge3/32"SteelZinc Plated5/16" to 3/8"€6.3025
A2UJL9Bridge3/32"SteelZinc Plated3/8" to 1/2"€10.4025
A2UJN1Bridge3/32"SteelZinc Plated1/4" to 1/2"€7.9825
A2UJN2Bridge3/32"SteelZinc Plated1/4" to 1/2"€7.0225
A2UJN4Bridge3/32"SteelZinc Plated1/4" to 5/8"€8.4525
A2UJP4Bridge9/64"SteelZinc Plated5/8" to 3/4"€18.5725
A2UJR3Bridge11/64"SteelZinc Plated7/8" to 1"€20.9210
C3DYT5Bridge1/8"Stainless SteelPlain7/16" to 3/4"€35.2710
A2UJP7Bridge9/64"SteelZinc Plated3/4" to 1 1/8"€22.5825
A2UJP3Bridge1/8"SteelZinc Plated3/4" to 1 1/8"€10.1610
A2UJL6Bridge5/64"SteelZinc Plated1/4" to 3/8"€6.0725
A2UJR2Bridge11/64"SteelZinc Plated3/4" to 1 1/16"€16.5410
C3DYT4Bridge9/64"Stainless SteelPlain3/4" to 1 1/8"€24.795
A2UJP9Bridge5/32"SteelZinc Plated7/8" to 1 1/16"€20.3825
A2UJR4Bridge11/64"SteelZinc Plated7/8" to 1 1/4"€14.1310
A3DYT6Bridge19/64"SteelZinc Plated7/8" to 1"€70.6210
A2UJP8Bridge5/32"SteelZinc Plated1/2" to 1"€11.4510
A2UJN9Bridge1/8"SteelZinc Plated5/8" to 7/8"€17.1625
D2UJR7Bridge3/64"Stainless SteelZinc Plated5/8"€32.3425
A2UJP2Bridge1/8"SteelZinc Plated3/4" to 1 1/8"€17.9925
A2UJR1Bridge11/64"SteelZinc Plated5/8" to 1"€13.5310
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Extended Prong Cotter Pins

2UHV6A
WWG-CPHZ-010-SZB
WWG-BPXS-2307C
M51700.063.0071D
U51700.025.0350E
U51700.031.0225F
U55700.009.0075G
U51700.031.0400H
U51700.037.0300I
WWG-BPS-2106J
StyleModelPin TypePin Dia.MaterialFinishFor Shaft Dia.PricePkg. Qty.
A2UHV6-1/2"Carbon SteelZinc Plated-€15.855
BWWG-CPHZ-010-SZ-3/32"Low Carbon SteelZinc Plated-€8.09100
CWWG-BPXS-2307-1/16"Stainless SteelPlain1/2"€19.7950
AWWG-CPP-020-5/16"Low Carbon SteelPlain-€13.9425
AWWG-CPS-042-1/4"Stainless SteelPlain-€17.2325
A2UJC7-1/8"BrassZinc Plated-€53.57100
AWWG-CPP-016-1/4"Low Carbon SteelPlain-€13.6150
AWWG-CPP-006-1/8"Low Carbon SteelPlain-€7.36100
DM51700.063.0071-6.3 mmStainless SteelPlain-€28.275
A2UHU6-5/16"Carbon SteelZinc Plated-€51.8950
AWWG-CPS-025-1/8"Stainless SteelPlain-€14.57100
EU51700.025.0350-1/4"Stainless SteelPlain-€82.6725
DM39350.035.0030-3.5 mm-Zinc Plated-€17.2350
FU51700.031.0225-5/16"Stainless SteelPlain-€28.6210
FU51700.031.0275-5/16"Stainless SteelPlain-€56.0910
GU55700.009.0075-3/32"Stainless SteelPlain-€23.4650
HU51700.031.0400-5/16"Stainless SteelPlain-€42.7110
AWWG-156-1500-SZ-5/32"Low Carbon SteelZinc Plated-€10.29100
A2UJA7-3/32"BrassZinc Plated-€38.15100
IU51700.037.0300-3/8"Stainless SteelPlain-€40.205
AWWG-375-4000-LZ-3/8"Low Carbon SteelZinc Plated-€50.4650
DM39350.130.0100-13 mm-Zinc Plated-€54.485
A2UJD3-1/8"BrassZinc Plated-€70.0350
JWWG-BPS-2106Bridge1/8"Stainless SteelPlain1/2" to 5/8"€22.7525
CWWG-BPXS-2311Bridge1/8"Stainless SteelPlain1"€25.9410
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RIDGID -

Pin, Cotter 0.120 Dia X 2.81 Lg

Pin, Cotter 0.120 Dia X 2.81 Lg
ModelItemPrice (ex. VAT)Pkg. Qty.
50852BL9EMW€4.711
RFQ
RIDGID -

Pin, Cotter 1/4 X 2

Pin, Cotter 1/4 X 2
ModelItemPrice (ex. VAT)Pkg. Qty.
59940BL9HLL€8.471
RFQ
REMCO -

Cotter Pin

Cotter Pin
ModelItemPrice (ex. VAT)Pkg. Qty.
RP6953CM7RCD€0.321
RFQ
RIDGID -

Pin, Cotter

Pin, Cotter
ModelItemPrice (ex. VAT)Pkg. Qty.
48568BL9DRZ€19.961
RFQ

Cotter Pins

Cotter pins are designed to act as a locking mechanism in nuts & bolts (with a hole) for a secure fit, even if the nut loosens. Raptor Supplies offers a wide range of cotter hairpins in plain and zinc finish variants, from brands like ITW Bee Leitzke, GL Huyett and Texas Pneumatic Tools.

Frequently Asked Questions

What is the difference between split pins and cotter pins?

  • Cotter pins are constructed of mild steel and are suitable for locking nuts at their position. These pins are inserted into the hole of the bolt and are then bent into various shapes to stop the nut from falling out.
  • Split pins are constructed of heavy-duty steel and are inserted once into the hole to lock the nut.

How can we install a cotter pin?

  • Connect the castle nut to the bolt and tighten it into position.
  • Mark the bolt or leave the castle pin in position.
  • Drill a hole straight through the bolt's cross-section with a drill bit at the marked point. A metal punch can be used to create a starting point.
  • Insert the cotter pin after removing any metal filings from the hole.
  • Bend the cotter pin ends away from each other with pliers so that the cotter pin does not come out of the hole.

How can we remove cotter pins?

It is extremely simple to remove a cotter pin. Use pliers to bend the pin's arms back straight enough to fit through the hole. If the pin is worn out, these arms might simply snap off and the rounded eye portion can be easily removed and replaced with a new one.

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