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Screws › Countersunk & Flat-Head Machine Screws

DIN 912 DIN7991 High Temperature Hydrolysis Resistant Peek Plastic Cylindrical/Countersunk Allen Head Hexagon Socket Machine Screw

Updated 2026-11-04 · Markdown version

Model no. Cylindrical/Countersunk Head Socket Machine screw

US$0.3610,000–29,999 pieces

US$0.3530,000–49,999 pieces

US$0.3450,000+ pieces

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

Head Style: Hexagonal
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Grade: 6.8
Head Type: Hex, Allen, Flat, Cheese, Pan
Flame Retardant Grade: UL94 V-0
Material: Peek
Packing: bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand

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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

Model NO.	Cylindrical/Countersunk Head Socket Machine screw
Groove	Hexagon
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, GB, ANSI, BSW, JIS, GOST
Grade	6.8
Certificate	ISO9001/ISO14001/ISO45001/RoHS
Ingredient	Polyether Ether Ketone
Head Type	Hex, Allen, Flat, Cheese, Pan
Service	OEM ODM Custom Service
Payment Term	Tt 30% Deposit
Flame Retardant Grade	UL94 V-0
Operating Temperature	260 ℃/500 ℉
Transport Package	25kg
Specification	BULK IN 25KGS CARTON/ PALLET
Origin	Shagnhai
HS Code	7318150000
Production Capacity	1000 Tonnes/Month
Customization	Available
Material	Peek
Type	Cheese Head
Packing	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Leading Time	20-30 days or based on order required
Category	Countersunk & Flat-Head Machine Screws

Technical parameters

Product Name	DIN 912 DIN7991 High Temperature Hydrolysis Resistant Peek Plastic Cylindrical/Countersunk Allen Head Hexagon Socket Machine Screw
Standard:	ANSI/ASME B18.2.1 DIN931 DIN933 DIN960 DIN961 GB1228 GB30 GB5781 GB5782 GB5783 GB5785 GB5786
Size	M3, M4, M5, M6, M8, M10, M12, M14, M16, M18, M20
Material:	Polyether ether ketone
Length	6mm-100mm
Head Type	Hex head, Socket head, Pan head, Countersunk head Etc
Drive Type	Cross drive, star drive, slotted drive, thumb drive
Application scenarios	Electronic appliances, Photovoltaic and semiconductor industries, Medical equipment, Aerospace
Packing:	bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand
Leading Time :	20-30 days or based on order required

Description

DIN 912 DIN7991 High Temperature Hydrolysis Resistant Peek Plastic Cylindrical/Countersunk Allen Head Hexagon Socket Machine Screw is part of our countersunk & flat-head machine screws range (Screws).

Key details

Type: Cheese Head
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Material: Peek
Grade: 6.8
Head Type: Hex, Allen, Flat, Cheese, Pan
Head Style: Hexagonal
Groove: Hexagon
Connection: Common Bolt

Available configurations include head style, standard, grade, head type and flame retardant grade. 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$0.34 – 0.36 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 DIN 912 DIN7991 High Temperature Hydrolysis Resistant Peek Plastic Cylindrical/Countersunk Allen Head Hexagon Socket Machine Screw?

The listed minimum order is 10,000 pieces, at US$0.34 – 0.36 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$0.36 for 10,000–29,999 pieces; US$0.35 for 30,000–49,999 pieces; US$0.34 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 DIN 912 DIN7991 High Temperature Hydrolysis Resistant Peek Plastic Cylindrical/Countersunk Allen Head Hexagon Socket Machine Screw?

Type: Cheese Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Peek; Grade: 6.8; Head Type: Hex, Allen, Flat, Cheese, Pan; 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 head style, standard, grade, head type and flame retardant grade. 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

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US$0.34 – 0.36MOQ 10,000 piecesGet a quote WA