Black Bolt/ Hex Socket Countersunk Head Machine Screws/DIN7991countersunk Head Cap Screws

• Customization: Available
• Material: Carbon Steel
• Type: Countersunk Head
• Model NO.: M3 - M24
• Groove: Cross
• Connection: Common Bolt
• Head Style: Counter Sunk Bolt
• Standard: DIN, GB, ANSI, BSW, JIS, GOST, Customize
• Grade: 8.8
• Name: Black Hex Socket Countersunk Head Machine Screws
• Brand Name: Goshen
• Samples: Free
• Delivery Time: 3~20days
• Payment Term: L/C&T/T
• Packing: Carton + Pallet
• Transport Package: Carton + Pallet
• Specification: M6-M40
• Trademark: Goshen
• Origin: Jiaxing Zheng, China
• HS Code: 7318159090
• Production Capacity: 50ton/ Weeks

Product Description

 

Black bolt/ Hex Socket Countersunk Head Machine Screws/DIN7991Countersunk Head Cap Screws

Name:	Pan head rib with inner plum blossom self tapping screw
Size:	2.9-6.3 MM ,or non-standard as request&design
Material:	Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS420
	Steel:C45(K1045), C46(K1046),C20,etc.
	Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58)etc.
	Bronze: C51000, C52100, C54400, etc.
	Iron: 1213, 12L14,1215,etc.
	Aluminum: Al6061, Al6063, etc.
	Alloy steel: SCM435,10B21, C10B33,etc.
	Carbon steel: C1006,C1010,C1018,C1022,C1035K,12L14,etc.
Grade:	a2 a4etc
Standard:	GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc
Non-standards:	OEM is available, according to drawing or samples
Heat Treatment:	Tempering,Hardening,Spheroidizing,Stress Relieving.
Finish:	Plain, black, zinc plated/according to your requirement
Certification:	ISO 9001:2015 and ISO 14001:2015
Package:	according to customers requirement