Characteristic

Model : CK-W

Purpose: avoid from wearing when tightening the flange nut
Material: S45C, black oxide furnished
Heat treatment: HRC32±5°
Product spec.:
Inch size 3/8”/1/2”/5/8”/3/4”7/8”/1”；
Metric size M10/M12/M14 /M16/M18/M20/M22/M24

Washer

Washer

Purpose: avoid from wearing when tightening the flange nut

Material: S45C, black oxide furnished

Heat treatment: HRC32±5°

Product spec.:
Inch size 3/8”/1/2”/5/8”/3/4”7/8”/1”；
Metric size M10/M12/M14 /M16/M18/M20/M22/M24

Order no.	Model		A(mm)	B(mm)	C(mm)
	Metric	Inch
W-3	M10	3/8"	10.3	22	4
W-4A	M12	1/2"	13	30	6
W-4B	M14	9/16"	15	30	8
W-5	M16	5/8"	16.5	35	10
W-6	M20	3/4"	20.5	38	10
W-7	M22	7/8"	23	45	10
W-8	M24	1"	26	50	12