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304 Stainless Steel Custom Flat Head Socket Screw

Updated 2026-11-04 · Markdown version

Model no. Hysls0226

US$0.012 – 0.12 / piece

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

Material: SS304/316/316L/2205
Head Style: Flat Head
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Grade: A2, A4, A2-70
Customized: Yes
Thread Specification: Custom Step Thread
Surface Treatment: Plain/Custom
Tolerance Grade: ISO 2768 Fastener Tolerance

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	SS304/316/316L/2205
Type	304 Flat Head Step Hex Socket Screw
Model NO.	Hysls0226
Groove	Hex Socket
Connection	Common Bolt
Head Style	Flat Head
Standard	DIN, GB, ANSI, BSW, JIS, GOST
Grade	A2, A4, A2-70
Customized	Yes
Drawing	Yes
Application	Machinery Hardware Fastening
Process	Cold Forging, Machining
Service	OEM, Free Samples
Thread Specification	Custom Step Thread
Surface Treatment	Plain/Custom
Tolerance Grade	ISO 2768 Fastener Tolerance
Corrosion Resistance	Rust Proof
Knurl Specification	N/a
Key Features	Step Design, Durable, Non-Standard Available
Transport Package	Polybag+Export Strong Carton
Specification	1/4~1-1/2"
Origin	China
HS Code	7318160000
Production Capacity	100ton/Month
Package Size	30.00cm * 20.00cm * 20.00cm
Package Gross Weight	0.500kg
Non-standard parts	15-25days
Category	Socket Head Cap & Allen Screws

Technical parameters

Item	Details
Full Product Name	SS304/316/316L/2205 Stainless Steel Flat Head Hex Socket Step Screw
Material	Stainless Steel (SS304 / SS316 / SS316L / 2205 Duplex)
Type	304 Flat Head Step Hex Socket Screw
Drive Type	Hex Socket (Allen) Drive
Connection Type	Common Bolt / Fastener
Head Style	Flat / Countersunk Head
Applicable Standards	DIN / GB / ANSI / BSW / JIS / GOST
Mechanical Grade	A2, A4, A2-70
Packaging	Polybag + Export Carton
Sizes	1/4" ~ 1-1/2" (Imperial Sizes)
Origin	China
Customization Support	Yes (Non-standard sizes, thread specifications, surface treatments available)
Drawing Support	Yes (Custom drawings, design validation, and engineering review services provided)
Applications	Machinery hardware fastening, equipment assembly, tooling fixtures, industrial automation, and precision engineering projects
Manufacturing Process	Cold forging + precision CNC machining + heat treatment
Services	OEM/ODM available, free samples, technical consultation, and full order customization
Thread Specification	Custom step screw thread (tailored to specific installation depths, positioning, and load requirements)
Surface Treatment	Plain / customized (including passivation, polishing, black oxide, PTFE coating, etc.)
Tolerance Grade	ISO 2768 Fastener Tolerance (medium class)
Corrosion Resistance	Excellent rust-proof and anti-corrosion performance, with enhanced resistance in marine, chemical, and high-moisture environments
Knurl Specification	N/a
Key Features	Step design for precise positioning and depth control, durable high-strength construction, compatible with Allen drive tools, non-standard sizes available, multiple material grades for different corrosion and strength needs

Description

304 Stainless Steel Custom Flat Head Socket Screw is part of our socket head cap & allen screws range (Screws).

Key details

Type: 304 Flat Head Step Hex Socket Screw
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Material: SS304/316/316L/2205
Grade: A2, A4, A2-70
Head Style: Flat Head
Groove: Hex Socket
Surface Treatment: Plain/Custom
Connection: Common Bolt

Available configurations include material, head style, standard, grade and customized. 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$0.012 – 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 304 Stainless Steel Custom Flat Head Socket Screw?

The listed minimum order is 10,000 pieces, at US$0.012 – 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 304 Stainless Steel Custom Flat Head Socket Screw?

Type: 304 Flat Head Step Hex Socket Screw; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: SS304/316/316L/2205; Grade: A2, A4, A2-70; Head Style: Flat Head; Groove: Hex Socket. 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 customized. 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 →

Request a quote for this product

US$0.012 – 0.12MOQ 10,000 piecesGet a quote WA