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Bulk Supply Self Drilling Screws for Construction and Engineering

Updated 2026-11-04 · Markdown version

Model no. ST4.2-ST4.8*13-25

US$0.021610,000–99,999 pieces

US$0.018100,000–499,999 pieces

US$0.0156500,000+ pieces

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

Material: Carbon Steel
Shape of Head: Round
Surface Finishing: Zinc Plated
Customized: Customized
Product Grade: Level a
Package Size: 10.00cm * 8.00cm * 4.00cm
Customized Ideal Fasteners: Unique requirements are met with unique solutions. Our bespoke services are meticulously tailored to your specifications, incorporating the samples and drawings you provide for precise results.

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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	Carbon Steel
Shape of Head	Round
Model NO.	ST4.2-ST4.8*13-25
Surface Finishing	Zinc Plated
Certification	ISO, GS, RoHS, CE
Customized	Customized
Application Scenario	Machinery, Furniture,Buildings, etc
Delivery Time	10-30 Days
Export Market	Global
Product Grade	Level a
Transport Package	Bag and Tray
Specification	ST4.2×13 mm
Origin	Guangdong, China
Production Capacity	300 Tons Per Month
Package Size	10.00cm * 8.00cm * 4.00cm
Package Gross Weight	5.000kg
Lead Time	12 days (1 - 300000 Pieces) 18 days (300001 - 500000 Pieces) To be negotiated ( > 500000 Pieces)
Our Exceptional Services	Step into a world of extraordinary experiences with our unparalleled offerings that redefine industry standards and elevate customer satisfaction to new heights.
Professional Manufacturers	Our fasteners are an epitome of craftsmanship, meticulously designed to meet your exact specifications with unwavering precision, guaranteeing performance excellence you can rely on.
Guaranteed Quality	Experience exceptional longevity and unwavering reliability. Our fasteners undergo stringent durability tests and are manufactured with impeccable technical accuracy, ensuring top-tier excellence.
Cost-Effective Excellence	Benefit from direct factory supply with remarkable pricing. With over 30 years of production expertise, we provide unmatched solutions perfectly tailored to your specific needs.
Customized Ideal Fasteners	Unique requirements are met with unique solutions. Our bespoke services are meticulously tailored to your specifications, incorporating the samples and drawings you provide for precise results.
Plastic, aluminum, iron, stainless steel	201, 304,316
PRODUCT DISPLAY	Presenting our superior fasteners, a blend of quality and innovation that stands out in the market.
State-of-the-Art Production Workshop	Immerse yourself in our cutting-edge facilities, where high-quality products are brought to life through innovative production techniques.
Category	Self-Drilling & Tek Screws

Technical parameters

The company's main product classification
material	Plastic, aluminum, iron, stainless steel:201, 304,316
standard	DIN,ASTM/ANSI JIS EN ISO,AS,GB
hardness	Carbon steel 4.8, stainless steel A2-70, carbon steel 8.8, carbon steel 12.9 and so on
Head part	Round head, half round head, flat head (countersunk head), half countersunk head, cylindrical head, large flat head, flat head, B head, belt medium
groove type	Cross, one word, eleven words, inner hexagon, outer hexagon, outer hexagon inside cross, etc
surface treatment	Color zinc, white zinc, blue zinc, nickel plating, oxidation black, chrome plating, copper plating, imitation gold, etc
dental classification	Machine thread teeth, self tapping teeth, double head teeth, one machine one tapping teeth, whole teeth, half teeth, smooth rod, etc
Product classification	Screws, bolts, nuts, gaskets, non-standard shapes, hardware tools,Fasteners and connectors, etc
shape	Hexagonal, round, butterfly, hook, claw, plum, M font, L shape, U shape, ring, etc
processing points	Add hard, car parts, pit, tip, flat tip, foot (milling foot), rubbing, environmental protection, salt spray test, stamping parts, etc
More than 30 years of professional production experience, Custom and free sample service available

Description

Bulk Supply Self Drilling Screws for Construction and Engineering is part of our self-drilling & tek screws range (Screws).

Key details

Material: Carbon Steel
Certification: ISO, GS, RoHS, CE
Shape of Head: Round
Surface Finishing: Zinc Plated
Application Scenario: Machinery, Furniture,Buildings, etc
Export Market: Global
Product Grade: Level a
Plastic, aluminum, iron, stainless steel: 201, 304,316

Available configurations include material, shape of head, surface finishing, customized and product grade. 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$0.0156 – 0.0216 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 Bulk Supply Self Drilling Screws for Construction and Engineering?

The listed minimum order is 10,000 pieces, at US$0.0156 – 0.0216 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$0.0216 for 10,000–99,999 pieces; US$0.018 for 100,000–499,999 pieces; US$0.0156 for 500,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

What are the main specifications of Bulk Supply Self Drilling Screws for Construction and Engineering?

Material: Carbon Steel; Certification: ISO, GS, RoHS, CE; Shape of Head: Round; Surface Finishing: Zinc Plated; Application Scenario: Machinery, Furniture,Buildings, etc; Export Market: Global. 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 product grade. 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$0.0156 – 0.0216MOQ 10,000 piecesGet a quote WA