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Hex Washer Flange Head Screws DIN 6921 M5x16 10.9 For Diesel Engine Auto Part

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Hex Washer Flange Head Screws DIN 6921 M5x16 10.9 For Diesel Engine Auto Part

Brand Name : Summery

Model Number : Din6921 Flange Head Screws

Certification : ISO 4162

Place of Origin : shanghai

MOQ : Negotiable

Price : Negotiation

Payment Terms : Western Union, MoneyGram, L/C, D/A, T/T

Supply Ability : 20000 pcs/day

Delivery Time : 7-10 days

Packaging Details : According to customer requirements

Name : Din6921 Flange Head Screws

Class : 10.9

Size : M5x16

Material : alloy steel

Finish : Plain / Nickel / Black Oxide / Dacromet

Application fields : Automotive&mechanical

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Dacromet Flange Head Screws alloy steel DIN6921– M5x16– 10.9

This International Standard specifies the characteristics of flange hexagon bolts ,with product grade A, with threads from M5 up to and including M16,length from 10mm to 200mm,and property classes 8.8, 9.8, 10.9 and A2-70,A4-70.

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Hex Washer Flange Head Screws DIN 6921 M5x16 10.9 For Diesel Engine Auto Part

Mechanical and physical peroperties of bolts,screws and studs
Mechanical and physical peroperties		Property class
		8.8		10.9	12.9
		d≦16 mm	d﹥16 mm	10.9	12.9
Minimum tensile strength (N/mm²)	min	800	830	1040	1220
Vickers hardness (HV)	min	250	255	320	385
Vickers hardness (HV)	max	320	335	380	435
Brinell hardness (HB)	min	238	242	304	366
Brinell hardness (HB)	max	304	318	361	414
Rockwell hardness (HRC)	min	22	23	32	39
Rockwell hardness (HRC)	max	32	34	39	44

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flange head cap screw

flanged button head screw

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