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Fasteners Made in China Countersunk Head Hex Socket Screw

Updated 2026-11-04 · Markdown version

Model no. GB70.3 Screw

US$0.12 / piece

MOQ 1,000 pieces · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Counter Sunk Bolt
Standard: GB
Grade: 4.8 8.8 10.9
Package Size: 28.00cm * 25.00cm * 13.50cm

Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Customization	Available
Material	Carbon Steel
Type	Countersunk Head
Model NO.	GB70.3 Screw
Groove	Hex Socket Head
Connection	Common Bolt
Head Style	Counter Sunk Bolt
Standard	GB
Grade	4.8 8.8 10.9
MOQ	1000PCS
Certification	ISO9001
Application	General Industry
Delivery Time	25 Days
Durability	Enhanced
Transport Package	25kg/Carton+Pallet
Specification	M3-M20
Origin	Ningbo, Zhejiang
HS Code	7318151001
Production Capacity	2500 Tons/Month
Package Size	28.00cm * 25.00cm * 13.50cm
Package Gross Weight	22.000kg
Our main products are fasteners	bolts, screws, rods, nuts, washers, anchors and rivets.
Keyword	china supplies,OEM/ODM,Manufacturer,screw,bolt,hardware.bolt and nut,fastener,carbon steel,fange nut.hexagonal nut.stainless steel nut,zlfastener,sinofastener
Category	Socket Head Cap & Allen Screws

Technical parameters

Product	Machine screw
Size	M3-M20
Grade	4.8/8.8/10.9/12.9
Finish	Polish
Material	Stainless Steel

Description

Fasteners Made in China Countersunk Head Hex Socket Screw is part of our socket head cap & allen screws range (Screws).

Key details

Type: Countersunk Head
Standard: GB
Material: Carbon Steel
Grade: 4.8 8.8 10.9
Head Style: Counter Sunk Bolt
Groove: Hex Socket Head
Connection: Common Bolt
Application: General Industry

Available configurations include material, head style, standard, grade and package size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000 pieces at US$0.12 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Fasteners Made in China Countersunk Head Hex Socket Screw?

The listed minimum order is 1,000 pieces, at US$0.12 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Fasteners Made in China Countersunk Head Hex Socket Screw?

Type: Countersunk Head; Standard: GB; Material: Carbon Steel; Grade: 4.8 8.8 10.9; Head Style: Counter Sunk Bolt; Groove: Hex Socket Head. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and package size. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other socket head cap & allen screws are available?

The Socket Head Cap & Allen Screws category lists 2,042 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-screws/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

More about us → · Request a sample or custom quote →

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US$0.12MOQ 1,000 piecesGet a quote WA