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

Product Details

Nominal Washer Size		A		B		C
		Inside Diameter		Outside Diameter		Thickness
		MAX	MIN	MAX	MIN	MAX	MIN
4	0.112	0.123	0.115	0.26	0.245	0.019	0.014
6	0.138	0.15	0.141	0.32	0.305	0.022	0.016
8	0.164	0.176	0.168	0.381	0.365	0.023	0.018
10	0.19	0.204	0.195	0.41	0.395	0.025	0.02
12	0.216	0.231	0.221	0.475	0.46	0.028	0.023
1/4	0.25	0.267	0.256	0.51	0.494	0.028	0.023
5/16	0.312	0.332	0.32	0.61	0.588	0.034	0.028
3/8	0.375	0.398	0.384	0.694	0.67	0.04	0.032
7/16	0.438	0.464	0.448	0.76	0.74	0.04	0.032
1/2	0.5	0.53	0.513	0.9	0.88	0.045	0.037
5/8	0.625	0.663	0.641	1.07	1.045	0.05	0.042

STAR 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