DIN 6921 Zinc Plated Bolts And Nuts Steel Hex Serrated Flanged Hex Head Screws Class 8.8

Medium-Strength Metric Class 8.8 Steel Flanged Hex Head Screws

Product Description:

These Class 8.8 steel screws are suitable for fastening most machinery and equipment. The flange distributes pressure where the screw meets the surface, eliminating the need for a separate washer. All screws meet DIN 6921 specifications for dimensions. Head height includes the flange. Length is measured from under the flange.

Features:

Used in automotive applications,plumbing,and more,flange bolts feature a washer like flange beneath the bolt head that speeds production time and distributes the clamping load,offering protection to te mating surface.

Steel serrated flange bolts feature a scored grip under the head to help vibration.The serrated head bites into the surface to reduce vibration that can cause loosening.

Product Drawing:

Hexagon flange bolts
DIN 6921-1983
d(mm)	P(mm)	b(mm)			dc(mm)	ds(mm)		k(mm)	s(mm)
		L≤125	125<L≤200	L>200	max	min	max	max	min	max
M5	0.8	16	/	/	11.8	4.82	5	5.4	7.78	8
M6	1	18	/	/	14.2	5.82	6	6.6	9.78	10
M8	1/1.25	22	28	/	18	7.78	8	8.1	12.73	13
M10	1/1.25/1.5	26	32	/	22.3	9.78	10	9.2	14.73	15
M12	1.25/1.5/1.75	30	36	/	26.6	11.73	12	11.5	15.73	16
M14	1.5/2	34	40	/	30.5	13.73	14	12.8	17.73	18
M16	1.5/2	38	44	57	35	15.73	16	14.4	20.67	21
M20	1.5/2.5	46	52	65	43	19.67	20	17.1	26.67	27

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.