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Building Roofing Tek Screws with Rubber Washers

Updated 2026-11-04 · Markdown version

Model no. self drilling screws

US$1,140 / ton

MOQ 1 ton · Final price confirmed in your quote

Material: Carbon Steel
Head Style: Hexagonal
Standard: DIN, GB
Grade: 12.9
Diameter: 4.2-6.3mm
Length: 16mm-200mm
Package Size: 25.00cm * 17.00cm * 15.00cm

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	Hexagon Head
Model NO.	self drilling screws
Groove	Hexagon
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, GB
Grade	12.9
MOQ	1 Ton
Samples	Free
Diameter	4.2-6.3mm
Length	16mm-200mm
Transport Package	Shipping by Sea
Specification	6.3*19mm
Origin	Tianjin
Production Capacity	50000ton/Year
Package Size	25.00cm * 17.00cm * 15.00cm
Package Gross Weight	25.500kg
Accepted Delivery Terms	FOB,CFR,CIF,EXW;
Accepted Payment Currency	USD,EUR;
Accepted Payment Type	T/T,L/C,PayPal,Western Union;
Language Spoken	English,Chinese
Category	Self-Drilling & Tek Screws

Technical parameters

	,,,,
	ST2.9,ST3.5,ST4.2,ST4.8,ST5.5,ST6.3(#4 - #14)
	10~300
	3,3.5,4,5
	,Tek,17 ,,, Tek
	:,,,AB,A,C
	,,,,,
	++,
	,,(),,,,Ruspert
	1.	SUS201,304,316,410
2.	C1018,C1022,C10B21,C10B33,C1035,C1045,40CrMo,42CrMo
3.	SCM435,C10B21,C10B33
	DIN7504k
	,,,,,.

()	()	()
4.2*13	5.5*32	6.3*25
4.2*16	5.5*38	6.3*32
4.2*19	5.5*41	6.3*38
4.2*25	5.5*50	5.5*50
4.2*32	5.5*63	6.3*50
4.2*38	5.5*75	6.3*63
4.8*13	4.8*13	6.3*75
4.8*16	5.5*90	6.3*80
4.8*19	5.5*100	6.3*90
4.8*25	5.5*115	6.3*100
4.8*32	5.5*125	6.3*115
4.8*38	5.5*135	6.3*125
4.8*45	5.5*150	6.3*135
4.8*50	5.5*165	6.3*150
5.5*19	5.5*185	6.3*165
5.5*25	6.3*19	6.3*185

Description

Building Roofing Tek Screws with Rubber Washers is part of our self-drilling & tek screws range (Screws).

Key details

Type: Hexagon Head
Standard: DIN, GB
Material: Carbon Steel
Grade: 12.9
Diameter: 4.2-6.3mm
Length: 16mm-200mm
Head Style: Hexagonal
Groove: Hexagon

Available configurations include material, head style, standard, grade and diameter. 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$1,140 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 Building Roofing Tek Screws with Rubber Washers?

The listed minimum order is 1 ton, at US$1,140 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 Building Roofing Tek Screws with Rubber Washers?

Type: Hexagon Head; Standard: DIN, GB; Material: Carbon Steel; Grade: 12.9; Diameter: 4.2-6.3mm; Length: 16mm-200mm. 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 diameter. 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

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US$1,140MOQ 1 tonGet a quote WA