Leading fastener manufacturer from China since 1998

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Congo Screw Series

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E-mail:
info@hfastfix.com

Phone/WhatsApp:
+86-18131090805

Address:
Southwest Development Zone,Yongnian District, Handan City, Hebei Province, China.

Congo Hex Socket Head Bolt

Size: M4-M56, 1/4'-2 3/4'
Material: Carbon steel, Stainless steel
Coating: Zinc plated, Yellow zinc plated, Dacromet, Black, Hot dip galvanizing
Standard: DIN912, ANSI, GB

Category:

CongoBolt Series

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Product Description

Description

Hex socket head bolt is a type of bolt that has a hexagonal-shaped recess at the head. This recess is designed to fit a hex key (Allen wrench) or a socket wrench

Features

★ Cylindrical head: Offers a clean, finished appearance.
★ Hexagonal socket: Provides a secure grip for hex wrenches.
★ Fully threaded: Typically fully threaded for maximum engagement.
★ Various sizes and materials: Available in a wide range of sizes and made from different materials such as steel, stainless steel, and brass.

Dimensions

Size: M4-M56, 1/4'-2 3/4'
Material: Carbon steel, stainless steel
Coating: Zinc plated, Yellow zinc plated, Dacromet, Black, Hot dip galvanizing
Standard: DIN912, ANSI, GB
Grade: 4,5,6,8,10,12

Technical Data

Proof loads-ISO metric coarse pitch thread
Thread) d	Nominal stress area As,nom [mm²]	Proof load F. (As,nomXSp,nom⁴)[N]
Thread) d	Nominal stress area As,nom [mm²]	Property cla 4.6	ss 4.8	5.6	5.8	6.8	8.8	9.8	10.9	12.9/12.9
M3	503	1130	1560	1410	1910	2210	2920	3270	4180	4880
M3,5	678	1530	2100	1900	2580	2980	3940	4410	5630	6580
M4	878	1980	2720	2460	3340	3860	5100	5710	7290	8520
M5	142	3200	4400	3980	5400	6250	8230	9230	11800	13800
M6	201	4520	6230	5630	7640	8840	11600	13100	16700	19500
M7	289	6500	8960	8090	11000	12700	16800	18800	24000	28000
M8	366	82402	11400	102002)	13900	16100	212002	23800	304002	35500
M10	580	130002	18000	162002)	22000	25500	337002	37700	48100²	56300
M12	843	19000	26100	23600	32000	37100	48900³	54800	70000	81800
M14	115	25900	35600	32200	43700	50600	66700³	74800	95500	112000
M16	157	35300	48700	44000	59700	69100	910003	102000	130000	152000
M18	192	43200	59500	53800	73000	84500	115000		159000	186000
M20	245	55100	76000	68600	93100	108000	147000		203000	238000
M22	303	68200	93900	84800	115000	133000	182000		252000	294000
M24	353	79400	109000	98800	134000	155000	212000		293000	342000
M27	459	103000	142000	128.000	174000	202000	275000		381000	445000
M30	561	126000	174000	157.000	213000	247000	337000		466000	544.000
M33	694	156000	215000	194000	264000	305000	416000		576000	673000
M36	817	184000	253000	229000	310000	359000	490000		678000	792000
M39	976	220000	303000	273000	371000	429000	586000		810000	947000

Production scene

About our company

Hebei Hengcheng Fastener Co., Ltd is a National High-tech Enterprise, established in Hebei Yongnian in 1998, specializing in the production and sales of fasteners including Nuts, Bolts, Drop in anchor, Strong anchor, Self-drilling screw, Self-tapping screw, Drywall screw and Customized cold forging parts. The company covers an area of 70,000 square meters with about 150 staff at present, and among which there are over 30 senior technicians and 30 salesmen. To guarantee the quality, the company applies the world-advanced facilities for production including machines of cold forging,hot forging, threading,wire drawing,annealing,heat treatment and other ancillary equipment. With more than 20 years’ development, the company becomes one of the largest manufacturing enterprises in the fastener industry of North China.

The company has passed the ISO9001:2015 international quality system certification, the trade mark “HF” is honored “Well-Known Trade Mark of Hebei Province”, meanwhile, the product is honored “Famous-Brand Product” by the Authority. The company is an export-oriented enterprise and the products are exported to more than 80 countries and regions, such as South Korea, Japan, America, Southeast Asia, Middle East and Africa and enjoyed a good reputation among customers. The company is dedicated to supply the best products and services to customers and would like to express sincere invitation to friends from all over the world.

HFAST