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Screws › Countersunk & Flat-Head Machine Screws

Double Countersunk Head Hi-Low Thread Concrete Tapcon Screws T17

Updated 2026-11-04 · Markdown version

Model no. STST06

US$0.12 – 0.24 / piece

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

Material: Stainless Steel/Carbon Steel
Shape of Head: Flat
Surface Finishing: Ruspert/Zinc/Plain
Customized: Customized
Standard: DIN/Customized
Drive: Torx/Customized
Package Size: 27.00cm * 25.00cm * 18.00cm

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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/Carbon Steel
Shape of Head	Flat
Model NO.	STST06
Surface Finishing	Ruspert/Zinc/Plain
Customized	Customized
Point	Sharp Point
Standard	DIN/Customized
Drive	Torx/Customized
Application	Chemical/Industry/Environmental/Household
Sharp Point	Type 17
Transport Package	Box/Carton
Specification	8x100
Origin	China
HS Code	7318150000
Production Capacity	100 Mpcs/Month
Package Size	27.00cm * 25.00cm * 18.00cm
Package Gross Weight	25.000kg
Category	Countersunk & Flat-Head Machine Screws

Technical parameters

Size	#10 ~ #12, 1" ~ 6"
Material	MS/CS, SS304, SS316, SS410 etc.
Head Type	Flat, countersunk, oval hrad
Drive Type	Phil, Torx, slotted, Phil & Slotted combination, Hex Socket
Thread	AB, B, BP, BF, BT
Finish	Zinc plated(clear/bule/yellow), black/gray phosphate, nickel, ruspert, painted
Packing	Bulk in cartons (25kg Max.) + wooden pallets or according to customer demand.
Application	Structural steel industry, Metal building industry, Mechanical equipment industry, Automobile industry, etc.

Chemical components
Material	C ≤	Si ≤	Mn ≤	P ≤	S ≤	Ni	Cr	Mo	Otros
201	0.15	1	5.5-7.5	0.06	0.03	3.5-5.5	16-18		N≤0.25
304	0.08	1	2	0,045	0.03	8.0-10.0	18-20
304L	0.03	1	2	0,045	0.03	8.0-12.0	18-20
321	0.08	1	2	0,045	0.03	8.0-13.0	17-19		Ti≤5*C%
316	0.08	1	2	0,045	0.03	10.0-14.0	16-18	2-3
316L	0.03	1	2	0,045	0.03	10.0-15.0	16-18	2-3
309S	0.08	1	2	0,045	0.03	12.0-15.0	22-24
410	0.15		1		0.03	-	11.5-13.5
420	0.26-0.4		1		0.03	-	12-14
430	0.12	0.75	1	0.04	0.03	-	16-18

Description

Double Countersunk Head Hi-Low Thread Concrete Tapcon Screws T17 is part of our countersunk & flat-head machine screws range (Screws).

Key details

Standard: DIN/Customized
Material: Stainless Steel/Carbon Steel
Drive: Torx/Customized
Application: Chemical/Industry/Environmental/Household
Shape of Head: Flat
Surface Finishing: Ruspert/Zinc/Plain
Point: Sharp Point
Sharp Point: Type 17

Available configurations include material, shape of head, surface finishing, customized and standard. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000,000,000 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 Double Countersunk Head Hi-Low Thread Concrete Tapcon Screws T17?

The listed minimum order is 1,000,000,000 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 Double Countersunk Head Hi-Low Thread Concrete Tapcon Screws T17?

Standard: DIN/Customized; Material: Stainless Steel/Carbon Steel; Drive: Torx/Customized; Application: Chemical/Industry/Environmental/Household; Shape of Head: Flat; Surface Finishing: Ruspert/Zinc/Plain. 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 standard. 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 countersunk & flat-head machine screws are available?

The Countersunk & Flat-Head Machine Screws category lists 2,424 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/countersunk-flat-head-machine-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$0.12 – 0.24MOQ 1,000,000,000 piecesGet a quote WA