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Fastener Flat Head, Hex Head, Pan Head Self-Drilling Screw

Updated 2026-11-04 · Markdown version

Model no. St3.5-St6.3

US$0.03610,000–49,999 pieces

US$0.01250,000–999,999 pieces

US$0.0061,000,000+ pieces

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

Head Style: Hexagonal
Standard: DIN, ANSI, BSW
Grade: A2-70, A4-80
Size: St3.5-St6.3
Finish: Plain, Galvanzied, Passivation ,HDG,Nickel Plated
Material: Stainless Steel

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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.	St3.5-St6.3
Groove	Hexagon
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI, BSW
Grade	A2-70, A4-80
Name	Fastener Flat Head ,Hex Head, Pan Head Self-Drilli
Size	St3.5-St6.3
Samples	Free
Delivery	7-25days
Certification	ISO, RoHS, SGS, TUV
Finish	Plain, Galvanzied, Passivation ,HDG,Nickel Plated
Transport Package	Carton + Pallet
Specification	ST3.5-ST6.3
Origin	China
HS Code	7318151001
Production Capacity	20ton/Week
Customization	Available
Material	Stainless Steel
Type	Hexagon Head
BOLT	DIN928,DIN933, DIN931, DIN912,DIN603,DIN7985,DIN7991,DIN6921, ASME/ANSI B 18.2.1ASME/ANSIB18.2.3.1M,GB, BSW, ISO Hex bolt , carriage bolt, heavy hex bolt, flange head bolt, achor bolt ect
Nut	DIN934,DIN6923,DIN985,ISO4032 hex heavy hex nut, 2H nut,A563/A563M cap nut, nylon nut, ect
Rod	threaded rod DIN975,DIN976, threaded bar DIN975 stud bolt, B7 stud bolt ect
Screw	hex screw,DIN912; self drilling screw, DIN7504; self tapping screw,DIN7981/7982; drywall screw, pan head screw, button head screw, machine screw, chipboard screw,furniture screw,wood screw, ect
washer	flat washer DIN125, spring washer DIN127, lock washer,square washer,spring lock washer, plain washer ect
Category	Self-Drilling & Tek Screws

Technical parameters

Name	Fastener Flat head ,Hex head, Pan head Self-Drilling Screw
Place of Origin	Jiaxing, Zhengjiang, China
Size	St3.5-St6.3 or non-standard as request&design
Finish	plain, zinc plated, black oxide, hot dip galv.et
Head Type	hex head
Material	Carbon steel, stainless steel, alloys steel etc.
Grade	a2,a4,4.8,8.8,10.9,12.9.etc,A2-70, A4-80 ect
Standard	GB, DIN, ISO, ANSI/ASTM, BS, BSW, JIS etc
Non-standards	OEM is available, according to drawing or samples
Samples	Samples are free.
Package	Bulk in master cartons, then on pallets, or according to customers' requirement.
Payment	T/T or L/C

Description

Fastener Flat Head, Hex Head, Pan Head Self-Drilling Screw is part of our self-drilling & tek screws range (Screws).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, BSW
Material: Stainless Steel
Grade: A2-70, A4-80
Size: St3.5-St6.3
Head Style: Hexagonal
Groove: Hexagon
Finish: Plain, Galvanzied, Passivation ,HDG,Nickel Plated

Available configurations include head style, standard, grade, size and finish. 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$0.006 – 0.036 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 Fastener Flat Head, Hex Head, Pan Head Self-Drilling Screw?

The listed minimum order is 10,000 pieces, at US$0.006 – 0.036 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$0.036 for 10,000–49,999 pieces; US$0.012 for 50,000–999,999 pieces; US$0.006 for 1,000,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Fastener Flat Head, Hex Head, Pan Head Self-Drilling Screw?

Type: Hexagon Head; Standard: DIN, ANSI, BSW; Material: Stainless Steel; Grade: A2-70, A4-80; Size: St3.5-St6.3; 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, size and finish. 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$0.006 – 0.036MOQ 10,000 piecesGet a quote WA