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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

M39630.090.0001A
WWG-CPHZ-023-LZB
StyleModelPin TypePin Dia.MaterialFinishPricePkg. Qty.
AM39630.090.0001Bridge8 mmSteelZinc Plated€22.221
AM55970.040.0001Bridge3.6 mmStainless SteelPlain€98.045
AM39630.030.0001Bridge3 mmSteelZinc Plated€23.9910
AM55970.032.0001Bridge2.8 mmStainless SteelPlain€56.135
AM55970.050.0001Bridge4.5 mmStainless SteelPlain€159.685
BWWG-CPHZ-023-LZExtended Prong1/8"SteelZinc Plated€173.066000
BU39351.012.0050Hammerlock1/8"SteelZinc Plated€5.06100
B2UJH8Hammerlock7/64"BrassPlain€153.51100
B2UJJ4Hammerlock3/16"BrassZinc Plated€298.58100
BWWG-CPHZ-012Hammerlock3/32"SteelZinc Plated€7.96100
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€63.7510
BWWG-BPS-2191/4"Stainless SteelPlain3/4" to 1"Bridge€9.101
A1PVN31/8"SteelZinc Plated1/2" to 5/8"Bridge€11.5725
BWWG-BPS-2271/8"Stainless SteelPlain5/8" to 7/8"Bridge€19.8310
BWWG-BPS-2161/8"Stainless SteelPlain1/2" to 3/4"Bridge€26.1825
BWWG-BPS6-2161/8"Stainless SteelPlain1/2" to 3/4"Bridge€22.2210
BWWG-BPS6-2271/8"Stainless SteelPlain5/8" to 7/8"Bridge€29.8410
BWWG-BPS-2111/8"Stainless SteelPlain7/16" to 3/4"Bridge€38.5025
BWWG-BPS-2221/16"Stainless SteelPlain1/4" to 1/2"Bridge€31.9450
BWWG-BPS6-2221/16"Stainless SteelPlain1/4" to 1/2"Bridge€28.3125
BWWG-BPS-2311/32"Stainless SteelPlain1/8" to 5/32"Bridge€17.4550
BWWG-BPS-2073/32"Stainless SteelPlain1/4" to 5/8"Bridge€36.8250
BWWG-BPS-2143/32"Stainless SteelPlain3/8" to 3/4"Bridge€22.0525
BWWG-BPS-2033/32"Stainless SteelPlain1/4" to 1/2"Bridge€30.8850
BWWG-BPS6-2033/32"Stainless SteelPlain1/4" to 1/2"Bridge€16.3025
BWWG-BPS-2243/64"Stainless SteelPlain1/4" to 3/8"Bridge€55.0750
BWWG-BPS-2233/64"Stainless SteelPlain3/16" to 1/4"Bridge€19.4650
BWWG-BPS-2323/64"Stainless SteelPlain1/16" to 1/8"Bridge€19.40100
BWWG-BPS-2215/16"Stainless SteelPlain1/8" to 3/16"Bridge€14.1350
BWWG-BPS6-2175/64"Stainless SteelPlain3/8" to 1/2"Bridge€20.9025
BWWG-BPS-2135/64"Stainless SteelPlain1/4" to 3/8"Bridge€22.4750
BWWG-BPS-2175/64"Stainless SteelPlain3/8" to 1/2"Bridge€35.8750
BWWG-BPS6-2135/64"Stainless SteelPlain1/4" to 3/8"Bridge€16.3325
BWWG-BPS-2099/64"Stainless SteelPlain3/4" to 1 1/8"Bridge€23.2410
BWWG-BPS-20611/64"Stainless SteelPlain5/8" to 1"Bridge€29.2410
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Hairpin Cotter Pins

2UJN3A
3DYT2B
WWG-BP-2107C
2UJR6D
3DYT3E
StyleModelPin TypePin Dia.MaterialFinishFor Shaft Dia.PricePkg. Qty.
A2UJN3-3/32"SteelZinc Plated1/4" to 1/2"€10.6525
B3DYT2-0.091"Stainless SteelZinc Plated5/16" to 1/2"€10.2725
CWWG-BP-2107Bridge9/64"Stainless SteelZinc Plated5/8" to 3/4"€37.9850
A2UJP5Bridge9/64"SteelZinc Plated1/2" to 1"€9.5910
A2UJL1Bridge1/16"SteelZinc Plated1/4" to 1/2"€7.0725
A2UJL2Bridge1/16"SteelZinc Plated3/8" to 1/2"€8.9425
A2UJL4Bridge5/64"SteelZinc Plated1/4" to 3/8"€5.0825
A2UJN6Bridge7/64"SteelZinc Plated5/16" to 3/8"€12.0725
A2UJN7Bridge1/8"SteelZinc Plated1/2" to 3/4"€12.3825
A2UJN9Bridge1/8"SteelZinc Plated5/8" to 7/8"€16.1125
A2UJP1Bridge1/8"SteelZinc Plated7/16" to 3/4"€14.5825
A2UJP2Bridge1/8"SteelZinc Plated3/4" to 1 1/8"€16.8925
A2UJP3Bridge1/8"SteelZinc Plated3/4" to 1 1/8"€9.5310
A2UJP9Bridge11/64"SteelZinc Plated7/8" to 1 1/16"€19.4025
A2UJP8Bridge11/64"SteelZinc Plated1/2" to 1"€10.7610
A2UJK6Bridge3/64"SteelZinc Plated1/4" to 3/8"€5.9725
A2UJR2Bridge11/64"SteelZinc Plated3/4" to 1 1/16"€15.5410
A2UJR3Bridge11/64"SteelZinc Plated7/8" to 1"€19.5310
A2UJR5Bridge1/4"SteelZinc Plated3/4" to 1"€31.3810
D2UJR6Bridge1/32"Stainless SteelZinc Plated1/4"€52.97100
D2UJR7Bridge3/64"Stainless SteelZinc Plated5/8"€30.3625
E3DYT3Bridge3/32"Stainless SteelPlain1/4" to 5/8"€36.4625
E3DYT4Bridge9/64"Stainless SteelPlain3/4" to 1 1/8"€23.275
E3DYT5Bridge1/8"Stainless SteelPlain7/16" to 3/4"€33.1310
A3DYT6Bridge19/64"SteelZinc Plated7/8" to 1"€66.3010
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Extended Prong Cotter Pins

WWG-375-4000-LZA
M39350.130.0125B
WWG-BPXZ-2301C
WWG-BPXS-2307D
U51700.037.0300E
U51700.025.0350F
U51700.031.0400G
U51700.031.0275H
WWG-CPHZ-010-SZI
StyleModelPin TypePin Dia.MaterialFinishFor Shaft Dia.PricePkg. Qty.
AWWG-375-4000-LZ-3/8"Low Carbon SteelZinc Plated-€43.5050
BM39350.130.0125-13 mm-Zinc Plated-€64.215
A2UJD3-1/8"BrassZinc Plated-€65.7750
CWWG-BPXZ-2301-1/32"-Zinc Plated1/8"€13.08100
DWWG-BPXS-2307-1/16"Stainless SteelPlain1/2"€28.2750
A2UJC7-1/8"BrassZinc Plated-€50.30100
A2UHU6-5/16"Carbon SteelZinc Plated-€48.7150
A2UJA7-3/32"BrassZinc Plated-€35.83100
EU51700.037.0300-3/8"Stainless SteelPlain-€40.205
AWWG-CPS-025-1/8"Stainless SteelPlain-€20.82100
AWWG-156-1500-SZ-5/32"Low Carbon SteelZinc Plated-€14.69100
AWWG-CPS-042-1/4"Stainless SteelPlain-€24.6125
AWWG-CPP-016-1/4"Low Carbon SteelPlain-€19.4450
AWWG-CPP-006-1/8"Low Carbon SteelPlain-€10.50100
AWWG-CPP-020-5/16"Low Carbon SteelPlain-€19.9125
BM39350.130.0100-13 mm-Zinc Plated-€54.485
BM51700.063.0071-6.3 mmStainless SteelPlain-€28.275
FU51700.025.0350-1/4"Stainless SteelPlain-€82.6725
BM51700.032.0036-3.2 mmStainless SteelPlain-€7.7110
GU51700.031.0400-5/16"Stainless SteelPlain-€42.7110
HU51700.031.0275-5/16"Stainless SteelPlain-€56.0910
A2UHV6-1/2"Carbon SteelZinc Plated-€14.895
HU51700.031.0225-5/16"Stainless SteelPlain-€28.6210
AWWG-125-2500-80-1/8"Stainless SteelPlain-€31.9825
IWWG-CPHZ-010-SZ-3/32"Low Carbon SteelZinc Plated-€6.96100
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RIDGID -

Pin, Cotter

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

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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