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Metric Compressible Washer-Type Direct Tension Indicators (ASTM F959M)

ASME B 18.2.6M - 2012

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Size

M16

M20

M22

M24

M27

M30

M36

d	min
	max
d₁	Protrusion Tangential Diameter	max
d_c	8.8	min
		max
	10.9	min
		max
n	Number of Protrusions	8.8
		10.9
h	min	8.8
		10.9
H	max	8.8
		10.9

16.75	20.95	23.05	25.15	28.30	31.45	37.75
16.85	21.05	23.15	25.25	28.40	31.55	37.85
25.0	29.0	33.0	38.0	43.0	46.5	56.0
35.20	44.00	48.40	52.80	59.40	66.00	79.20
36.80	46.00	50.60	55.20	62.10	69.00	82.80
35.20	44.00	48.40	52.80	59.40	66.00	79.20
36.80	46.00	50.60	55.20	62.10	69.00	82.80
4	5	5	6	6	7	8
4	6	6	7	7	8	9
3.2	3.6	3.6	4.0	4.0	4.0	4.8
3.6	3.6	4.0	4.0	4.0	4.8	4.8
5.5	6.0	6.0	7.0	7.0	7.0	7.5
6.0	6.0	7.0	7.0	7.0	7.5	7.5

①,【8.8】Type 8.8——for use with Specification A325M bolts.
②,【10.9】Type 10.9——for use with Specification A490 bolts.
③,Material and Properties shall conform to the requirement of ASTM F959M

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Similar Standards

1	[DIN] DIN 7989-1 - 2001	Plain Washers For Steel Structure-Grade C
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