Hammer Set Cotter Pins | McMaster-Carr

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100 Products

Hammer-Set Cotter Pins

For parts that spin or are otherwise difficult to access, slide these pins in and tap them with a hammer for a temporary hold. Reposition work, then bend the prongs outward to secure.

Pins meet ASME B18.8.1 specifications for material and dimensions.

For technical drawings and 3-D models, click on a part number.

		Small Pack			Large Pack
Lg.	Specifications Met	Pkg. Qty.		Pkg.	Pkg. Qty.		Pkg.
Zinc-Plated 1004-1045 Carbon Steel
1/16" Dia.
1/2"	ASME B18.8.1	100	000000000	00000	1,000	000000000	000000
3/4"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
1"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
1 1/4"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
1 1/2"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
2"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
3/32" Dia.
3/4"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
1"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
1 1/4"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
1 1/2"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
2"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
7/64" Dia.
3/4"	ASME B18.8.1	100	000000000	0000	500	000000000	00000
1"	ASME B18.8.1	100	000000000	0000	500	000000000	00000
1 1/2"	ASME B18.8.1	100	000000000	0000	500	000000000	00000
2"	ASME B18.8.1	100	000000000	0000	500	000000000	00000
1/8" Dia.
3/4"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
1"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
1 1/4"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
1 1/2"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
1 3/4"	ASME B18.8.1	100	000000000	0000	500	000000000	00000
2"	ASME B18.8.1	100	000000000	0000	500	000000000	00000
2 1/2"	ASME B18.8.1	100	000000000	0000	500	000000000	00000
3"	ASME B18.8.1	100	000000000	00000	500	000000000	00000
5/32" Dia.
1"	ASME B18.8.1	100	000000000	0000	1,000	000000000	00000
1 1/4"	ASME B18.8.1	100	000000000	0000	500	000000000	00000
1 1/2"	ASME B18.8.1	100	000000000	0000	500	000000000	00000
1 3/4"	ASME B18.8.1	50	000000000	0000	250	000000000	00000
2"	ASME B18.8.1	50	000000000	0000	250	000000000	00000
2 1/2"	ASME B18.8.1	50	000000000	0000	250	000000000	00000
3"	ASME B18.8.1	50	000000000	0000	250	000000000	00000
3/16" Dia.
1"	ASME B18.8.1	100	000000000	00000	500	000000000	00000
1 1/4"	ASME B18.8.1	100	000000000	00000	500	000000000	00000
1 1/2"	ASME B18.8.1	50	000000000	0000	250	000000000	00000
1 3/4"	ASME B18.8.1	50	000000000	0000	250	000000000	00000
2"	ASME B18.8.1	50	000000000	0000	250	000000000	00000
2 1/2"	ASME B18.8.1	50	000000000	0000	250	000000000	00000
3"	ASME B18.8.1	50	000000000	0000	250	000000000	00000
4"	ASME B18.8.1	50	000000000	00000	__	000000	00
1/4" Dia.
1 1/2"	ASME B18.8.1	50	000000000	0000	250	000000000	00000
2"	ASME B18.8.1	50	000000000	00000	250	000000000	00000
2 1/2"	ASME B18.8.1	50	000000000	00000	125	000000000	00000
3"	ASME B18.8.1	50	000000000	00000	125	000000000	00000
3 1/2"	ASME B18.8.1	50	000000000	00000	__	000000	00
4"	ASME B18.8.1	50	000000000	00000	__	000000	00
5/16" Dia.
2"	ASME B18.8.1	50	000000000	00000	250	000000000	00000
2 1/2"	ASME B18.8.1	50	000000000	00000	__	000000	00
3"	ASME B18.8.1	50	000000000	00000	__	000000	00
4"	ASME B18.8.1	25	000000000	00000	__	000000	00
3/8" Dia.
2"	ASME B18.8.1	25	000000000	00000	100	000000000	00000
2 1/2"	ASME B18.8.1	25	000000000	00000	100	000000000	00000
3"	ASME B18.8.1	10	000000000	0000	50	000000000	00000
3 1/2"	ASME B18.8.1	10	000000000	0000	50	000000000	00000
4"	ASME B18.8.1	10	000000000	0000	50	000000000	00000