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Bolts › Countersunk, Plow & Elevator Bolts

DIN7991 Countersunk Allen Bolt Black Finish Hex Socket Flat Head Machine Screw

Updated 2026-11-03 · Markdown version

US$0.00111,000–4,999 pieces

US$0.00075,000+ pieces

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

Material: Carbon Steel
Head Style: Hexagonal
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Grade: 8.8
Finish: Polishing
Length: Customized
Other Material: Stainless Steel
Grade Level: A2-70, A4-70, A4-80

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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	Carbon Steel
Type	Countersunk Head
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI, GB, JIS, BSW, GOST
Grade	8.8
Application	Machinery
Finish	Polishing
Length	Customized
Other Material	Stainless Steel
Grade Level	A2-70, A4-70, A4-80
Stainless Steel	201 302 314 430
Sample	Free
Transport Package	Box + Pallet
Specification	M6-70
Origin	Hebei, China
HS Code	7318190000
Production Capacity	300 Tons/Month
Package Size	30.00cm * 25.00cm * 25.00cm
Package Gross Weight	20.000kg
Product Name	Countersunk Head Bolts
Metric size	M6 × 70 mm Inch size: 1/4" × 2-3/4" Customized sizes are available.
Samples	Samples are complimentary, delivery charges apply
Package	Inner bag + Master carton + Wooden pallet + Stretch film, with desiccant & edge protectors as needed.
Payment	T/T, L/C
Shipping Port	Tianjin Port, Qingdao Port
Inspection	100% QC Steps Inspect Before Shipment
Category	Countersunk, Plow & Elevator Bolts

Technical parameters

Product Name:Countersunk Head Bolts

Size: Metric size: M6 × 70 mm Inch size: 1/4" × 2-3/4" Customized sizes are available.

Material: Stainless Steel 201 304 316 430 & Carbon Steel

Grade: A2-70, A4-70, A4-80 & 8.8, 10.9, 12.9, etc.

Finish: Polishing, Black Oxide, Zinc Plating, Hot-dip Galvanizing, Bluing, etc.

Standard: GB, DIN, ISO, ANSI/ASTM, BS, BSW, etc

Samples: Samples are complimentary, delivery charges apply

Package: Inner bag + Master carton + Wooden pallet + Stretch film, with desiccant & edge protectors as needed.

Payment: T/T, L/C

Shipping Port: Tianjin Port, Qingdao Port

Inspection: 100% QC Steps Inspect Before Shipment

Description

DIN7991 Countersunk Allen Bolt Black Finish Hex Socket Flat Head Machine Screw is part of our countersunk, plow & elevator bolts range (Bolts).

Key details

Type: Countersunk Head
Standard: DIN, ANSI, GB, JIS, BSW, GOST
Material: Carbon Steel
Grade: 8.8
Length: Customized
Head Style: Hexagonal
Finish: Polishing
Connection: Common Bolt

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 1,000 pieces at US$0.0007 – 0.0011 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 DIN7991 Countersunk Allen Bolt Black Finish Hex Socket Flat Head Machine Screw?

The listed minimum order is 1,000 pieces, at US$0.0007 – 0.0011 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$0.0011 for 1,000–4,999 pieces; US$0.0007 for 5,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of DIN7991 Countersunk Allen Bolt Black Finish Hex Socket Flat Head Machine Screw?

Type: Countersunk Head; Standard: DIN, ANSI, GB, JIS, BSW, GOST; Material: Carbon Steel; Grade: 8.8; Length: Customized; Head Style: Hexagonal. 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$0.0007 – 0.0011MOQ 1,000 piecesGet a quote WA