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Premium Self-Drilling Hex Head Roofing Screws for Durable Construction

Updated 2026-11-04 · Markdown version

Model no. DIN7504K

US$0.061,000–9,999 pieces

US$0.03610,000–99,999 pieces

US$0.012100,000+ pieces

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

Material: Stainless Steel
Shape of Head: Hexagon
Surface Finishing: Polishing
Customized: Customized
Packing: Carton+Pallet
Length: 13mm-100mm
Thread: Full Thread
Standard: DIN

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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	Stainless Steel
Shape of Head	Hexagon
Model NO.	DIN7504K
Surface Finishing	Polishing
Certification	ISO, CE
Customized	Customized
MOQ	1000PCS
Packing	Carton+Pallet
Delivery Time	7-15 Working Days
Measuring System	Inch, Metric
Sample	Available
Application	Industry
Length	13mm-100mm
Advantage	OEM Customized Service Provided
Item	China Fastener
Certificate	CE, SGS, ISO
Thread	Full Thread
Product Name	Hexagon Flange Head Drilling Screw
Service	OEM/ODM
Quality	High Practicability
Standard	DIN
Specification	ST2.9-ST3.5
Origin	Jiangsu, Taizhou
Production Capacity	15tons/Month
Category	Self-Drilling & Tek Screws

Technical parameters

Thread specification d	ST2.9	ST3.5	ST4.2	ST4.8	ST5.5	ST6.3
P	Thread pitch	1.1	1.3	1.4	1.6	1.8	1.8
a	Max	1.1	1.3	1.4	1.6	1.8	1.8
dc	Max	6.3	8.3	8.8	10.5	11	13.5
Min	5.8	7.6	8.1	9.8	10	12.2
c	Min	0.4	0.6	0.8	0.9	1	1
s	Max=Nominal	4	5.5	7	8	8	10
Min	3.82	5.32	6.78	7.78	7.78	9.78
e	Min	4.28	5.96	7.59	8.71	8.71	10.95
k	Max=Nominal	2.8	3.4	4.1	4.3	5.4	5.9
Min	2.5	3	3.6	3.8	4.8	5.3
kw	Min	1.3	1.5	1.8	2.2	2.7	3.1
r	Max	0.4	0.5	0.6	0.7	0.8	0.9
Drilling range (plate thickness)	≥	0.7	0.7	1.75	1.75	1.75	2
≤	1.9	2.25	3	4.4	5.25	6

Description

Premium Self-Drilling Hex Head Roofing Screws for Durable Construction is part of our self-drilling & tek screws range (Screws).

Key details

Standard: DIN
Material: Stainless Steel
Thread: Full Thread
Length: 13mm-100mm
Application: Industry
Certification: ISO, CE
Shape of Head: Hexagon
Surface Finishing: Polishing

Available configurations include material, shape of head, surface finishing, customized and packing. 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$0.012 – 0.06 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 Premium Self-Drilling Hex Head Roofing Screws for Durable Construction?

The listed minimum order is 1,000 pieces, at US$0.012 – 0.06 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$0.06 for 1,000–9,999 pieces; US$0.036 for 10,000–99,999 pieces; US$0.012 for 100,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Premium Self-Drilling Hex Head Roofing Screws for Durable Construction?

Standard: DIN; Material: Stainless Steel; Thread: Full Thread; Length: 13mm-100mm; Application: Industry; Certification: ISO, CE. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, shape of head, surface finishing, customized and packing. 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$0.012 – 0.06MOQ 1,000 piecesGet a quote WA