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Screws › Self-Tapping & Thread-Forming Screws

A2 A4 Stainless Steel Cross Countersunk Self Tapping Screw

Updated 2026-11-04 · Markdown version

Model no. Hysls0215

US$0.012 – 0.12 / piece

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

Material: Stainless Steel
Head Style: Countersunk (Csk) / Counter Sunk Bolt
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Grade: A2 / A4
Customized: Yes
Thread Specification: Self-Tapping Screw Thread (St Series)
Surface Treatment: Black Phosphate, Gray Phosphate, Nickel, Ruspert
Tolerance Grade: ISO 2768 Fastener Tolerance

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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	Stainless Steel
Type	Countersunk Head Cross Self Tapping Screws
Model NO.	Hysls0215
Groove	Cross
Connection	Common Bolt
Head Style	Countersunk (Csk) / Counter Sunk Bolt
Standard	DIN, GB, ANSI, BSW, JIS, GOST
Grade	A2 / A4
Customized	Yes
Drawing	Yes
Application	General Fastening, Machinery, Construction, Wood
Process	Cold Forging, CNC Precision Machining
Service	OEM Available, Free Samples, Test Reports, 2-Year
Thread Specification	Self-Tapping Screw Thread (St Series)
Surface Treatment	Black Phosphate, Gray Phosphate, Nickel, Ruspert
Tolerance Grade	ISO 2768 Fastener Tolerance
Corrosion Resistance	Anti-Rust, High Corrosion Resistance
Knurl Specification	N/a
Key Features	Cross Recess Drive, Countersunk Head
Transport Package	Polybag+Export Strong Carton
Specification	ST2.9~ST6.3, ST4.8~ST6.9
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	Self-Tapping & Thread-Forming Screws

Technical parameters

Item	Details
Full Product Name	Stainless Steel A2/A4 Countersunk (CSK) Head Cross Recess Self-Tapping Screw
Material	Stainless Steel
Mechanical Grade	A2 / A4 (Stainless Steel Grades)
Drive Recess Type	Cross (Phillips) Recess
Head Shape	Countersunk (CSK / Flat) Head
Fastener Category	Common Bolt / Self-Tapping Screw
Applicable Standards	DIN, GB, ANSI, BSW, JIS, GOST
Standard Sizes	ST2.9~ST6.3, ST4.8~ST6.9 (ST series self-tapping thread sizes)
Customization	Yes, custom sizes available
Thread Specification	Self-Tapping Screw Thread (ST Series)
Manufacturing Process	Cold Forging, CNC Precision Machining
Available Services	OEM Available, Free Samples, Test Reports Available
Surface Treatments	Black Phosphate, Gray Phosphate, Nickel Plated (multi-coat options)
Tolerance Grade	ISO 2768 Fastener Tolerance
Corrosion Resistance	Anti-Rust, High Corrosion Resistance (Stainless Steel base material)
Knurl Specification	N/a
Key Features	Cross Recess Drive, Countersunk Head, A2/A4 Stainless Steel, High Corrosion Resistance
Applications	General Fastening, General Machinery, Construction
Packaging	Polybag + Export Strong Carton
Origin	China

Description

A2 A4 Stainless Steel Cross Countersunk Self Tapping Screw is part of our self-tapping & thread-forming screws range (Screws).

Key details

Type: Countersunk Head Cross Self Tapping Screws
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Material: Stainless Steel
Grade: A2 / A4
Head Style: Countersunk (Csk) / Counter Sunk Bolt
Groove: Cross
Surface Treatment: Black Phosphate, Gray Phosphate, Nickel, Ruspert
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 A2 A4 Stainless Steel Cross Countersunk Self Tapping 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 A2 A4 Stainless Steel Cross Countersunk Self Tapping Screw?

Type: Countersunk Head Cross Self Tapping Screws; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Stainless Steel; Grade: A2 / A4; Head Style: Countersunk (Csk) / Counter Sunk Bolt; Groove: Cross. 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 self-tapping & thread-forming screws are available?

The Self-Tapping & Thread-Forming Screws category lists 4,881 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/self-tapping-thread-forming-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

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