Product Description:

Standard ISO10642 Hexagon Socket Countersunk Head Cap Screws made from alloy steel 40Cr Material, these screws are high strength bolts screws.

They're angled under the head to sit flush within countersunk holes.

Length is measured from the top of the head.

Surface Treatment:

Black Oxide

Product Features:

This standard specifies product grade A hexagon socket countersunk head cap screws with ISO metric screw thread from size M3 up to and including size M24.

Property class is 10.9 class.

Product Drawing:

Hexagon socket countersunk head cap screws
ISO10642 & DIN 7991-1986
d(mm)	P(mm)	b(mm)			dk(mm)		ds(mm)		k(mm)	s(mm)		t(mm)
		L≤125	125<L≤200	L>200	min	max	min	max	max	min	max	min	max
M3	0.5	12	/	/	5.7	6	2.86	3	1.7	2.02	2.1	0.95	1.2
M4	0.7	14	/	/	7.64	8	3.82	4	2.3	2.52	2.6	1.55	1.8
M5	0.8	16	/	/	9.64	10	4.82	5	2.8	3.02	3.1	2.05	2.3
M6	1	18	24	/	11.57	12	5.82	6	3.3	4.02	4.12	2.25	2.5
M8	1.25	22	28	/	15.57	16	7.78	8	4.4	5.02	5.14	3.2	3.5
M10	1.5	26	32	45	19.48	20	9.78	10	5.5	6.02	7.175	4.1	4.4
M12	1.75	30	36	49	23.48	24	11.73	12	6.5	8.025	8.175	4.3	4.6
M14	2	34	40	53	26.48	27	13.73	14	7	10.025	10.175	4.5	4.8
M16	2	38	44	57	29.48	30	15.73	16	7.5	10.025	10.175	5	5.3
M18	2.5	42	48	61	32.38	33	17.73	18	8	12.032	12.212	5.2	5.5
M20	2.5	46	52	65	35.38	36	19.67	20	8.5	12.032	12.212	5.6	5.9
M22	2.5	50	56	69	35.38	36	21.67	22	13.1	14.032	14.212	8.44	8.8
M24	3	54	60	73	38.38	39	23.67	24	14	14.032	14.212	9.87	10.3

Production Workshop:

Product Warehouse:

Jiangyin XiangGu Hardware Products Co., Ltd. is located in Wuxi City and close to Shanghai Port, with convenient transportation.

Our company handles all kinds of fasteners such as bolts, nuts and washers made of stainless steel, carbon steel and copper.

Xianggu Hardware is committed to integrating the superior supply chain system of various fastener products, focusing on the salesman's mastery of fastener expertise, providing fastener system solutions.

We are willing to become your partner with first-class product quality,first-class service level and competitive price.

Main products:

Stainless steel 18-8,A2-70, A4-70 and A4-80 Hex head bolts,Hex socket head bolts and nuts.

Carbon steel and Alloy steel Hex head cap screws,Hex socket head screws, machine screws, self-tapping screws, Hex flange bolts and Structural bolts with coating Hot-dip galvanized, Dacromet, Blue-white zinc,Yellow zinc.

Product Application Areas:

Our fasteners are widely used in automobiles, ships, wind energy, solar energy, boiler, electronic appliances, machinery and equipment, and construction engineering.