spring washer DIN 137 form B 20 - Steel

spring washer DIN 137 form B 20 - Steel

SKU: 137 B 20 ST
Category: Shims

Inner diameter

0,61 £

per 1 pcs incl. 19% VAT , plus

From	Unit price / pcs
10	0,51 £*
25	0,40 £*
50	0,36 £*
200	0,25 £*
500	0,23 £*

Delivery time:
44 pieces in express stock:
1 - 3 Workdays (Mo.-Fr.)
3500 pieces in stock:
3 - 5 Workdays (Mo.-Fr.)

10% discount when ordering units of 100 pcs.

pcs

Please note the minimum purchase quantity of 5 pcs.

Description
Standard

Spring Washer, Form B

Standard: DIN 137

Dimension: 20 mm

Material: Steel

Also known as:

spring washer, Wellwasher, screw safety element

(The article photos are examples and reflect the shape and color. Dimensions and material may different. The article description applies.)

Diameter:	M 20
Material:	steel
Standard:	DIN 137
Item weight:	0,01 kg

Securing washer

DIN 137

spring washers

Form A = curved

Form B = waved

These washers are also known as:
spring washers, corrugated washers, screw lock elements

Form A = curved

Measure	2	2,3	2,6	3	3,5	4	5	6	7	8	10
d₁	2,2	2,5	2,8	3,2	3,7	4,3	5,3	6,4	7,4	8,4	10,5
d₂	4,5	5	5,5	6	7	8	10	11	12	15	18
s	0,3	0,3	0,3	0,4	0,4	0,5	0,5	0,5	0,5	0,5	0,8
h	1	1	1,1	1,3	1,4	1,6	1,8	2,2	2,4	3,4	4

Form B = waved

Measure	3	3,5	4	5	6	7	8	10	12	14	16	18	20	22	24	27	30	33	36
d₁	3,2	3,7	4,3	5,3	6,4	7,4	8,4	10,5	13	15	17	19	21	23	25	28	31	34	37
d₂	8	8	9	11	12	14	15	21	24	28	30	34	36	40	44	50	56	60	68
s	0,5	0,5	0,5	0,5	0,5	0,8	0,8	1	1,2	1,6	1,6	1,6	1,6	1,8	1,8	2	2,2	2,2	2,5
h	1,6	1,8	2	2,2	2,6	3	3	4,2	5	6	6,4	6,6	7,4	7,8	8,2	9,4	10	10,6	11,6

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