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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

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
BWWG-BPS-2271/8"Stainless SteelPlain5/8" to 7/8"Bridge€19.8310
BWWG-BPS-2111/8"Stainless SteelPlain7/16" to 3/4"Bridge€38.5025
A1PVN31/8"SteelZinc Plated1/2" to 5/8"Bridge€11.5725
BWWG-BPS6-2271/8"Stainless SteelPlain5/8" to 7/8"Bridge€29.8410
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-BPS6-2221/16"Stainless SteelPlain1/4" to 1/2"Bridge€28.3125
BWWG-BPS-2221/16"Stainless SteelPlain1/4" to 1/2"Bridge€31.9450
BWWG-BPS-2311/32"Stainless SteelPlain1/8" to 5/32"Bridge€17.4550
BWWG-BPS6-2033/32"Stainless SteelPlain1/4" to 1/2"Bridge€16.3025
BWWG-BPS-2033/32"Stainless SteelPlain1/4" to 1/2"Bridge€30.8850
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-2323/64"Stainless SteelPlain1/16" to 1/8"Bridge€19.40100
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-2215/16"Stainless SteelPlain1/8" to 3/16"Bridge€14.1350
BWWG-BPS6-2135/64"Stainless SteelPlain1/4" to 3/8"Bridge€16.3325
BWWG-BPS6-2175/64"Stainless SteelPlain3/8" to 1/2"Bridge€20.9025
BWWG-BPS-2175/64"Stainless SteelPlain3/8" to 1/2"Bridge€35.8750
BWWG-BPS-2135/64"Stainless SteelPlain1/4" to 3/8"Bridge€22.4750
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

3DYT2A
2UJN3B
3DYT7C
2UJR6D
3DYT3E
StyleModelPin TypePin Dia.MaterialFinishFor Shaft Dia.PricePkg. Qty.
A3DYT2-0.091"Stainless SteelZinc Plated5/16" to 1/2"€10.2725
B2UJN3-3/32"SteelZinc Plated1/4" to 1/2"€10.6525
C3DYT7Bridge5/32"SteelZinc Plated1/2" to 1"€16.6310
B2UJP9Bridge11/64"SteelZinc Plated7/8" to 1 1/16"€19.4025
B2UJN9Bridge1/8"SteelZinc Plated5/8" to 7/8"€16.1125
B2UJP1Bridge1/8"SteelZinc Plated7/16" to 3/4"€14.5825
B2UJP2Bridge1/8"SteelZinc Plated3/4" to 1 1/8"€16.8925
B2UJP3Bridge1/8"SteelZinc Plated3/4" to 1 1/8"€9.5310
B2UJP4Bridge9/64"SteelZinc Plated5/8" to 3/4"€17.5125
B2UJP5Bridge9/64"SteelZinc Plated1/2" to 1"€9.5910
B2UJP6Bridge9/64"SteelZinc Plated5/8" to 1"€19.0525
B2UJP7Bridge9/64"SteelZinc Plated3/4" to 1 1/8"€21.1025
B2UJP8Bridge11/64"SteelZinc Plated1/2" to 1"€10.7610
B2UJR1Bridge11/64"SteelZinc Plated5/8" to 1"€12.6310
B2UJN7Bridge1/8"SteelZinc Plated1/2" to 3/4"€12.3825
B2UJR2Bridge11/64"SteelZinc Plated3/4" to 1 1/16"€15.5410
B2UJR3Bridge11/64"SteelZinc Plated7/8" to 1"€19.5310
B2UJR4Bridge11/64"SteelZinc Plated7/8" to 1 1/4"€13.2110
B2UJR5Bridge1/4"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
B3DYT6Bridge19/64"SteelZinc Plated7/8" to 1"€66.3010
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Extended Prong Cotter Pins

M39350.035.0030A
WWG-125-2500-80B
U51700.037.0300C
U51700.031.0400D
WWG-BPXZ-2301E
U51700.031.0275F
WWG-CPHZ-010-SZG
U55700.009.0075H
U51700.025.0350I
WWG-BPXS-2307J
StyleModelPin TypePin Dia.MaterialFinishFor Shaft Dia.PricePkg. Qty.
AM39350.035.0030-3.5 mm-Zinc Plated-€17.2350
AM39350.130.0100-13 mm-Zinc Plated-€54.485
BWWG-125-2500-80-1/8"Stainless SteelPlain-€31.9825
B2UJA7-3/32"BrassZinc Plated-€35.83100
BWWG-CPS-042-1/4"Stainless SteelPlain-€24.6125
AM39350.130.0125-13 mm-Zinc Plated-€64.215
BWWG-CPP-016-1/4"Low Carbon SteelPlain-€19.4450
B2UJD3-1/8"BrassZinc Plated-€65.7750
CU51700.037.0300-3/8"Stainless SteelPlain-€40.205
AM51700.032.0036-3.2 mmStainless SteelPlain-€7.7110
DU51700.031.0400-5/16"Stainless SteelPlain-€42.7110
EWWG-BPXZ-2301-1/32"-Zinc Plated1/8"€13.08100
FU51700.031.0275-5/16"Stainless SteelPlain-€56.0910
GWWG-CPHZ-010-SZ-3/32"Low Carbon SteelZinc Plated-€6.96100
HU55700.009.0075-3/32"Stainless SteelPlain-€23.4650
IU51700.025.0350-1/4"Stainless SteelPlain-€82.6725
B2UJC7-1/8"BrassZinc Plated-€50.30100
JWWG-BPXS-2307-1/16"Stainless SteelPlain1/2"€28.2750
BWWG-CPS-025-1/8"Stainless SteelPlain-€20.82100
AM51700.063.0071-6.3 mmStainless SteelPlain-€28.275
BWWG-CPP-020-5/16"Low Carbon SteelPlain-€19.9125
BWWG-CPP-006-1/8"Low Carbon SteelPlain-€10.50100
B2UHU6-5/16"Carbon SteelZinc Plated-€48.7150
B2UHV6-1/2"Carbon SteelZinc Plated-€14.895
BWWG-156-1500-SZ-5/32"Low Carbon SteelZinc Plated-€14.69100
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Hammerlock Cotter Pins

M39630.030.0001A
WWG-CPHZ-023-LZB
StyleModelPin TypePin Dia.MaterialFinishPricePkg. Qty.
AM39630.030.0001Bridge3 mmSteelZinc Plated€23.9910
AM39630.090.0001Bridge8 mmSteelZinc Plated€22.221
AM55970.032.0001Bridge2.8 mmStainless SteelPlain€56.135
AM55970.040.0001Bridge3.6 mmStainless SteelPlain€98.045
AM55970.050.0001Bridge4.5 mmStainless SteelPlain€159.685
BWWG-CPHZ-023-LZExtended Prong1/8"SteelZinc Plated€173.066000
B2UJH8Hammerlock7/64"BrassPlain€153.51100
B2UJJ4Hammerlock3/16"BrassZinc Plated€298.58100
BWWG-CPHZ-012Hammerlock3/32"SteelZinc Plated€7.96100
BU39351.012.0050Hammerlock1/8"SteelZinc Plated€5.06100
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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