Lock Washers, Size : M3 - M56, 3/6" To 2", Custom Sizes

Product Details

Bolt Size	A	B	C	Weight (lbs.) Per 100 Pieces	Part Numbers
	Inside Diameter Max	Outside Diameter Max	Thickness		Domestic		Import
			Min		Black	Galvanized	Black	Galvanized
1⁄2	0.512	0.869	0.125	1.3	11921	11922	11899	11900
5⁄8	0.641	1.073	0.156	2.4	11923	11924	11901	11902
3⁄4	0.766	1.265	0.188	4.3	11925	11926	11903	11904
7⁄8	0.894	1.459	0.219	6	11927	11928	11905	11906
1	1.024	1.656	0.25	8.8	11929	11930	11907	11908
11⁄8	1.153	1.847	0.281	12	-	-	11909	11910
11⁄4	1.28	2.036	0.312	16	11931	11932	11911	11912
13⁄8	1.408	2.219	0.344	21.9	-	-	11913	11914
11⁄2	1.534	2.419	0.375	28.2	11933	11934	11915	11916
13⁄4	1.789	2.679	0.389	30.35	-	-	11917	11918
2	2.039	2.936	0.422	32.5	-	-	11919	11920
21⁄4	2.293	3.221	0.44	39	-	-	17497	17498
21⁄2	2.543	3.471	0.44	45	-	-	19214	17499
23⁄4	2.793	3.824	0.458	50	-	-	17501	17502
3	3.043	4.074	0.458	56	-	-	-	-

LOCK WASHERS SPECIFICATION

Material	Standards	Grades
Nickel Alloy Belleville washers	ASTM / ASME SB 160 / 164 / 425 / 166 / 446 / 574 / 472	UNS 2200 (NICKEL 200) / UNS 2201 (NICKEL 201), UNS 4400 (MONEL 400), UNS 8825 (INCONEL 825), UNS 6600 (INCONEL 600) / UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS 8020 (ALLOY 20 / 20 CB 3)
Stainless Steel Washers	ASTM / ASME A/SA 193 / 194	B 8 (304), B 8C (SS 347), B 8M (SS 316), B 8 T (SS 321), A 2, A 4
Alloy Steel Belleville Washers	ASTM / ASME A/SA 193 / 194 GR	B 6, B 7/ B 7M, B 16, 2, 2HM, 2H, GR 6, B 7, B 7M
Duplex Steel Belleville Washers	UNS NO. S 31803, S 32205	Range: M10 TO M100, LENGTH UPTO 5 METERS
Nonmetallic Materials:	Acrylic, Kel-F, Lexan, Polypropylene, Poly Vinyl Chloride, Teflon, Zytel 31, 101, 105
High-Temp Alloys	Discaloy, 19-9 DL, 16-25-6, A286, Titanium, Nimonic 80, Mulitmet, Haynes 25, Greek Ascalloy, Unitemp 252, Udimet 500, Rene 41, Inco 700, Inco 901, Hastelloy X, 235, Waspaloy, RA 330
Copper Base Alloys	Copper, Brasses: Yellow, Free-cut, Red, Naval, Bronze: Commercial, Phosphor, Silicon A & B, Aluminum, Silicon-Aluminum, Manganese, Ampco Alloys, Munitz Metal, Cupro-Nicles
Aluminum Alloys:	1100, 2011, 2014, 2017, 2024, 3003, 5052, 6053, 6061, 7075
Trademarks:	Carpenter, Armco, INCO, Cabot, DuPont.
Finish:	Black Oxide, Zinc Plating, Hot Dip Galvanized