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This product is regulated by the following standards:

UNI 5715 DIN 6917 DIN 6918 UNI 5716 NF E27-681

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Square taper washers for U-sections for high-tensile structural bolting

This product is regulated by the following standards:

Standard UNI 5715

Channel clamping plates for high- strength bolts f...Information restricted to registered users: Login | Register now for a 14 day free trial

Dimensions in mm - source UNI 5715 Publication Date: 03/2002
thread size	d min/nom	a nom	b nom	c nom/min	e nom	h nom	r	t	Approximate weight, in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 12	13	26	30	1.6	4.1	6.2	1.6	0.7	20.4
M 14	15	32	36	1.6	5	7.5	2	0.8	37.8
M 16
M 18
M 20
M 22
M 24
M 27
M 30
M 33

Standard DIN 6917

Square taper washers for I-sections for high-tensi...Information restricted to registered users: Login | Register now for a 14 day free trial

Dimensions in mm - source DIN 6917 Publication date: 10 - 1989 supersedes DIN 6917 03 -1979
thread size	d nom	a x b nom	h nom	r ≈	t ≈	c nom= min	≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 12	13	26x30	6.2	1.6	0.7	1.6	20.4
M 16	17	32x36	7.5	2	0.8	1.6	35.7
M 20
M 22
M 24
M 27
M 30
M 36

Standard DIN 6918

Square taper washers for high-strength structual b...Information restricted to registered users: Login | Register now for a 14 day free trial

Dimensions in mm - source DIN 6918

Publication date: 04 -1990 Supersedes DIN 6918 03 - 1979

thread size

d nom=min

a x b nom

h nom

r ≈

t ≈

c nom=min

≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)

M 12

26x30

4.9

0.7

1.6

18.3

M 16

32x36

5.9

2.4

0.8

1.6

31.7

M 20

M 22

M 24

M 27

M 30

M 36

(1) for screws with 5 % tilt

Standard UNI 5716

Channel clamping plates for high- strength bolts, ...Information restricted to registered users: Login | Register now for a 14 day free trial

Dimensions in mm - source UNI 5716 Publication date: 03-2002 supersedes UNI 5716 06-1975
thread size	d nom=min	a x b nom	h nom	≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 12	13	26x30	4.9	18.3
M 14	15	32x36	5.9	33.7
M 16
M 18
M 20
M 22
M 24
M 27

Standard NF E27-681

8% and 14% tapers for assembly of I-beams and U-be...Information restricted to registered users: Login | Register now for a 14 day free trial

Square taper washers for U-sections for high-tensile structural bolting

Dimensions in mm - source DIN 6918 Publication date: 1990
thread size	d nom=min	a x b nom	h nom	r ≈	t ≈	c nom=min	≈ weigth in kg x1000 pcs, (ρ=7,85 kg/dm3)
M 12	13	26x30	4.9	2	0.7	1.6	18.3
M 16	17	32x36	5.9	2.4	0.8	1.6	31.7
M 20	21	40x44	7	2.8	0.9	2	57.1
M 22	23	44x50	8	3.2	1	2	82.8
M 24	25	56x56	8.5	3.2	1	2	129
M 24	25A (1)	56X56	7.65	3.88	1	2	128
M 27	28	56x59	8.5	3.2	1	2.5	122
M 27	28A (1)	56x59	7.65	3.88	1	2.5	121
M 30	31	62x65	9	3.2	1	2.5	156
M 30	31A (1)	62x65	8.05	3.96	1	2.5	155
M 36	37	68x71	9.4	3.2	1	3	182
M 36	37 A (1)	68x71	8.7	4.24	1	3	191
(1) for screws with 5 % tilt