DIN 7349 Thick Flat Washers Zinc Plated

DIN 7349 – 2009 Plain Washers For Bolts With Heavy Clamping Sleeves DIN 7349 – 1974 Plain Washers for Bolts with Heavy Clamping Sleeves

Additional information

DIN7349 washer is a type of heavy structure use flat washers, with high strength and thicker bearing surface. Normally used in a high tensile bolt with spring pins (din1481). The regular material for din7349 heavy structure flat washer are spring steels, alloy steels, stainless steels, brass, bronze or copper alloys.

All measurements in millimeters (mm)

d1	for spring pins DIN 1481	for screws	s	d2
3.2	6	M3	1	9
4.3	8	M4	1.6	12
5.3	10	M5	2	15
6.4	12	M6	3	17
8.4	16	M8	4	21
10.5	18	M10	4	25
13	21	M12	6	30
15	25	M14	6	36
17	28	M16	6	40
21	35	M20	8	44
23	38	M22	8	50
25	40	M24	10	50
31	50	M30	10	68