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Durable Hex Socket Screw with Spring and Flat Washers

Updated 2026-11-04 · Markdown version

Model no. Screw

US$0.06 – 0.12 / piece

MOQ 10,000 pieces · Final price confirmed in your quote

Material: High Strength Steel
Head Style: Round
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Grade: 8.8
Finish: Hot Galvanizing
Package Size: 25.00cm * 15.00cm * 10.00cm

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	High Strength Steel
Type	Hexagon Head
Model NO.	Screw
Connection	Common Bolt
Head Style	Round
Standard	DIN, ANSI, GB, JIS, BSW, GOST
Grade	8.8
Application	Machinery, Chemical Industry, Environmental, Building
Finish	Hot Galvanizing
Specification	M3, M4, M6, M8-M20
Origin	Tianjin
HS Code	7415290000
Production Capacity	5000ton/Year
Package Size	25.00cm * 15.00cm * 10.00cm
Package Gross Weight	25.000kg
Category	Socket Head Cap & Allen Screws

Technical parameters

Item	Details
Full Product Name	DIN 912 Socket Head Cap Screw with Spring Washer Assembly (Sem Screw)
Material & Grade	Stainless Steel (SS304/316/2205/2507, Grade A2-70/A2-80/A4-70/A4-80)
Standard Compliance	DIN 912, GB, ANSI, BSW, JIS, GOST, ISO
Thread Types & Range	UNC/UNF (#2-3/4) / Metric (M2-M20), Length 3-200mm
Head Configuration	Cylindrical / Cheese Head with Hexagon (Allen) Socket Drive
Assembly Type	Pre-Assembled with Spring Washer (Anti-Loose)
Surface Treatment Options	Plain, Passivated, Black Oxide, Zinc Plated (Yellow/Blue/White), Nickel Plated
Dimensional Tolerance	Complies with ISO 2768 & DIN 912 standards
Corrosion Resistance	Excellent anti-rust performance, suitable for indoor/outdoor and humid environments; higher-grade stainless steel options available for marine applications
Key Features	DIN 912 compliant, high tensile strength, pre-assembled for easy installation, anti-loose design with spring washer, durable stainless steel construction
Customization Service	Full customization available (thread type, length, material grade, surface treatment, packaging)
Drawing Acceptance	Custom orders based on client technical drawings are fully supported
Typical Applications	Machinery, industrial equipment, electronics, automotive, furniture assembly, electronic devices, anti-loose fastening solutions
Manufacturing Process	Cold heading, thread rolling, heat treatment, surface coating, precision washer assembly
OEM & ODM Support	Full OEM and ODM customization services, including custom packaging and labeling
MOQ	1000 pieces
Sample Service	Free standard samples in stock (customer bears freight cost; custom samples subject to tooling fee)
Export Packaging	Inner polybag + export-grade reinforced carton; wooden pallets available for bulk shipments
Registered Brand	OPPU
Country of Origin	China/Tianjin

Description

Durable Hex Socket Screw with Spring and Flat Washers is part of our socket head cap & allen screws range (Screws).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Material: High Strength Steel
Grade: 8.8
Head Style: Round
Finish: Hot Galvanizing
Connection: Common Bolt
Application: Machinery, Chemical Industry, Environmental, Building

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 10,000 pieces at US$0.06 – 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 Durable Hex Socket Screw with Spring and Flat Washers?

The listed minimum order is 10,000 pieces, at US$0.06 – 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 Durable Hex Socket Screw with Spring and Flat Washers?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: High Strength Steel; Grade: 8.8; Head Style: Round; Finish: Hot Galvanizing. 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 finish. 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$0.06 – 0.12MOQ 10,000 piecesGet a quote WA