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DIN653 Knurled Thumb Screw Large Flat Head Self-Threading

Updated 2026-11-04 · Markdown version

Model no. DIN653

US$0.12 – 0.24 / piece

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

Material: Stainless Steel
Head Style: Round
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Grade: 8.8
Package Size: 100.00cm * 100.00cm * 100.00cm
Built to Industrial Standards with Robust Materials: Manufactured in strict compliance with

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	Round Head
Model NO.	DIN653
Groove	Flat
Connection	Common Bolt
Head Style	Round
Standard	DIN, GB, ANSI, BSW, JIS, GOST
Grade	8.8
Delivery	7-20days
Pay Term	Tt 30% Deposit
Certificate	ISO9001
Packaging Details	Customization
Transport Package	Cartonboxes and Pallets
Specification	8.8
Origin	China
HS Code	7318159090
Production Capacity	500ton/Month
Package Size	100.00cm * 100.00cm * 100.00cm
Package Gross Weight	500.000kg
Engineered for Effortless Hand-Tightening and Secure Fastening	Our precision-manufactured DIN653 Large Flat Knurled Head Screws provide the ultimate solution for applications requiring frequent adjustment, tool-free assembly, or reliable access in confined spaces. Featuring a
Built to Industrial Standards with Robust Materials	Manufactured in strict compliance with
Category	Thumb, Hand & Knurled Screws

Technical parameters

PARAMETERS
Item	Large Flat Knurled Head Screws
Spec	M4-M12
Material	Stainless Steel, carbon steel,copper
Grade	4.8, 8.8, 10.9, 12.9
Standard	GB, DIN, UNS,JIS
Surface Finish	Natural, Black, White-plated zinc, Color zinc, Nickel, Dacromet, Polished, Zinc-nickel alloy, Hot-dip galvanized, etc.
Delivery Time	7-20Days
Package	cartonboxes or PE bag

Description

DIN653 Knurled Thumb Screw Large Flat Head Self-Threading is part of our thumb, hand & knurled screws range (Screws).

Key details

Type: Round Head
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Material: Stainless Steel
Grade: 8.8
Head Style: Round
Groove: Flat
Connection: Common Bolt
Pay Term: Tt 30% Deposit

Available configurations include material, head style, standard, grade and package size. 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$0.12 – 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 DIN653 Knurled Thumb Screw Large Flat Head Self-Threading?

The listed minimum order is 10,000 pieces, at US$0.12 – 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 DIN653 Knurled Thumb Screw Large Flat Head Self-Threading?

Type: Round Head; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: Stainless Steel; Grade: 8.8; Head Style: Round; Groove: Flat. 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 package size. 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 thumb, hand & knurled screws are available?

The Thumb, Hand & Knurled Screws category lists 712 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/thumb-hand-knurled-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 →

Request a quote for this product

US$0.12 – 0.24MOQ 10,000 piecesGet a quote WA