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Screws › Countersunk & Flat-Head Machine Screws

High-Quality Stainless Steel Countersunk Head Screws for Drilling

Updated 2026-11-04 · Markdown version

Model no. AISI316

US$0.24 / piece

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

Material: Stainless Steel
Head Style: Butterfly Wing
Standard: DIN, ANSI, GB, GOST
Grade: A2;A4
Surface: Polished
Size: St2.2 to St9.5
Customized Service: Available

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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	Butterfly Wing
Model NO.	AISI316
Connection	Hinged Bolts
Head Style	Butterfly Wing
Standard	DIN, ANSI, GB, GOST
Grade	A2;A4
Package	Carton
Surface	Polished
Size	St2.2 to St9.5
Technology	Cold Heading
Stock	Stocked
Customized Service	Available
Transport Package	Carton
Specification	st2.2 to st9.5
Origin	China
HS Code	7318150000
Our products	Rigging Hardware Series
Chain,Anchor,Steel wire rope and their accessory	Shackle,Turnbuckle,Wire rope clip,Thimble,Hook,Connecting Link,Master Link,Quick link,Eyebolt and Eye nut,Swivel,Load binder etc.
Building Hardware	Hinge,Wire Netting,Scaffold,Formwork,Connect Fitting etc.
Factors of Success	-more than 20 years of market presence.
Business FAQ	1.Could you supply free samples before we place firm order
Category	Countersunk & Flat-Head Machine Screws

Technical parameters

Material	Standard	Size	Package
Carbon steel or Stainless Steel	ISO DIN JIS ANSI/ASME BS	st2.2 to st9.5	Carton

Description

High-Quality Stainless Steel Countersunk Head Screws for Drilling is part of our countersunk & flat-head machine screws range (Screws).

Key details

Type: Butterfly Wing
Standard: DIN, ANSI, GB, GOST
Material: Stainless Steel
Grade: A2;A4
Size: St2.2 to St9.5
Head Style: Butterfly Wing
Connection: Hinged Bolts
Surface: Polished

Available configurations include material, head style, standard, grade and surface. 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$0.24 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 High-Quality Stainless Steel Countersunk Head Screws for Drilling?

The listed minimum order is 1,000 pieces, at US$0.24 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 High-Quality Stainless Steel Countersunk Head Screws for Drilling?

Type: Butterfly Wing; Standard: DIN, ANSI, GB, GOST; Material: Stainless Steel; Grade: A2;A4; Size: St2.2 to St9.5; Head Style: Butterfly Wing. 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 surface. 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 countersunk & flat-head machine screws are available?

The Countersunk & Flat-Head Machine Screws category lists 2,424 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-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$0.24MOQ 1,000 piecesGet a quote WA