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Structural Strength Widely Used Hex Washer Head Self Drilling Screw

Updated 2026-11-04 · Markdown version

Model no. 12#

US$1,320 – 1,679 / ton

MOQ 1 ton · Final price confirmed in your quote

Head Style: Hexagonal
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Surface Hardness: Hv 550-800
Core Hardness: Hv 300-450
Package Size: 33.00cm * 25.00cm * 15.00cm
Material: AISI1018-1022

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.	12#
Groove	Hex Washer Head
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, GB, ANSI, BSW, JIS, GOST
Product Name	Self Drilling Screw
Surface Hardness	Hv 550-800
Core Hardness	Hv 300-450
Case Depth (Carburizing Depth)	≥ 0.15mm
MOQ	1 Ton Per Size
Application	Metal Roof & Wall Panels,Steel Structure,etc
Transport Package	Bale Bag or Box + Carton + Pallet
Specification	4.213mm--75mm, 5.520mm--150mm
Origin	Guangdong, China
Production Capacity	100000tons/Year
Package Size	33.00cm * 25.00cm * 15.00cm
Package Gross Weight	25.000kg
Customization	Available
Material	AISI1018-1022
Type	AISI1018-1022
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Category	Self-Drilling & Tek Screws

Technical parameters

Application	Metal to metal fastening. Metal to wood fastening. Suitable for roofing, walling, and fencing profiles.
Material	AISI1018-1022
Specifications	4.2×13mm – 80mm5.5×20mm – 165mm
Surface Hardness	HV 550–800
Core Hardness	HV 300–450
Case Depth (Carburizing Depth)	≥ 0.15mm
Attackrate	10#:Max 4.5s for 4mm steel sheet under 22kg load12#:Max 5.0s for 4mm steel sheet under 80-85kg load
Torsional Strength	10#:80-85kgf.cm12#:100-110kgf.cm

Thread Size	Flange Diameter Dc Min	Width Across Flats S Max	Head Thickness K Max	Washer Thickness C Min
ST4.8(10#)Standard	11	8	4.3	0.9
ST5.5(12#)Standard	12	8	5.4	1

Description

Structural Strength Widely Used Hex Washer Head Self Drilling Screw is part of our self-drilling & tek screws range (Screws).

Key details

Type: AISI1018-1022
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Material: AISI1018-1022
Head Style: Hexagonal
Groove: Hex Washer Head
Connection: Common Bolt
Application: Metal Roof & Wall Panels,Steel Structure,etc
Product Name: Self Drilling Screw

Available configurations include head style, standard, surface hardness, core hardness and package size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1 ton at US$1,320 – 1,679 per ton. 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 Structural Strength Widely Used Hex Washer Head Self Drilling Screw?

The listed minimum order is 1 ton, at US$1,320 – 1,679 per ton. 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 Structural Strength Widely Used Hex Washer Head Self Drilling Screw?

Type: AISI1018-1022; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: AISI1018-1022; Head Style: Hexagonal; Groove: Hex Washer Head; Connection: Common Bolt. 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, surface hardness, core hardness 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 self-drilling & tek screws are available?

The Self-Drilling & Tek Screws category lists 5,114 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/self-drilling-tek-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$1,320 – 1,679MOQ 1 tonGet a quote WA