Standard & made-to-drawing parts
Checked before shipping
Air, sea & express delivery

Bolts › Countersunk, Plow & Elevator Bolts

Bsw 304 Stainless Steel Countersunk Head Hexagon Socket Screws British Standard Flat Head Allen Bolts 1/4-205/16-183/8-16

Updated 2026-11-03 · Markdown version

Model no. NO

US$0.02410,000–49,999 pieces

US$0.01250,000+ pieces

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

Material: Carbon Steel
Head Style: Hexagonal
Standard: DIN
Grade: A2-70/A2-80/A4-70/A4-80
Finish: Hot Galvanizing
Head Type: Round
Surface Treatment: Passivated
Thread: Full/Half Thread

Get a quote WhatsApp

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

Material	Carbon Steel
Type	Hexagon Head
Connection	Common Bolt
Model NO.	NO
Head Style	Hexagonal
Standard	DIN
Grade	A2-70/A2-80/A4-70/A4-80
Application	Machinery, Chemical Industry, Environmental, Building, Industry
Finish	Hot Galvanizing
Head Type	Round
Place of Origin	Guangdong,China
Range	M3 Tom30
Surface Treatment	Passivated
Thread	Full/Half Thread
Product Name	Socket Countersunk Screw
Model Number	DIN271
Certificate	ISO9001:2015
Transport Package	Box + Carton
Specification	M3-M48
Origin	China
HS Code	7318151001
Production Capacity	3000000pieces /Year
Measurement	INCH, Metric
Size	M3-M30
length	10mm-200mm
Head	flat head
Slot type	Hexagon
Shipment	2-30days
Package	carton+pallet
Stainless Steel	SS201, SS304, SS316; Carbon Steel: Gr A2; Aluminum
Busy season	15-30days, Slack seaon: 10-20days
Category	Countersunk, Plow & Elevator Bolts

Technical parameters

Products name	Bolts, nuts, washers, wrenches, pins, threaded rods/bars, studs, rivets, anchors, stamping parts, accessory parts
Standard	DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB
Material	Stainless Steel: SS201, SS304, SS316; Carbon Steel: Gr A2; Aluminum
Finishing	passivated
Production Process	Cold Froging, Machining and CNC, Stamping, Welding
Customized Products Lead time	Busy season: 15-30days, Slack seaon: 10-20days
Stock Products	Stainless steel: DIN933, DIN603, DIN912, DIN6923, DIN934, DIN125, DIN127, DIN7504K
Free Sample For Stock Fastener, Charge For Customization.

Description

Bsw 304 Stainless Steel Countersunk Head Hexagon Socket Screws British Standard Flat Head Allen Bolts 1/4-205/16-183/8-16 is part of our countersunk, plow & elevator bolts range (Bolts).

Key details

Type: Hexagon Head
Standard: DIN
Material: Carbon Steel
Grade: A2-70/A2-80/A4-70/A4-80
Size: M3-M30
Thread: Full/Half Thread
length: 10mm-200mm
Head Type: Round

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$0.012 – 0.024 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 Bsw 304 Stainless Steel Countersunk Head Hexagon Socket Screws British Standard Flat Head Allen Bolts 1/4-205/16-183/8-16?

The listed minimum order is 10,000 pieces, at US$0.012 – 0.024 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

How does the price change with quantity?

Volume pricing: US$0.024 for 10,000–49,999 pieces; US$0.012 for 50,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Bsw 304 Stainless Steel Countersunk Head Hexagon Socket Screws British Standard Flat Head Allen Bolts 1/4-205/16-183/8-16?

Type: Hexagon Head; Standard: DIN; Material: Carbon Steel; Grade: A2-70/A2-80/A4-70/A4-80; Size: M3-M30; Thread: Full/Half Thread. 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 countersunk, plow & elevator bolts are available?

The Countersunk, Plow & Elevator Bolts category lists 533 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/countersunk-plow-elevator-bolts/

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 – 0.024MOQ 10,000 piecesGet a quote WA