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Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch

Updated 2026-11-04 · Markdown version

US$0.006 – 6.00 / piece

MOQ 50,000 pieces · Final price confirmed in your quote

Head Style: Round
Standard: DIN, Accrording to The Drawing or Samples.
Grade: 4.8
Size: M3 - M20 / Custom
Thread Type: Standard Metric
Surface Treatment: Black Oxide
Package Size: 28.00cm * 18.00cm * 14.00cm
Material: Carbon Steel

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

Groove	Hex
Connection	Common Bolt
Head Style	Round
Standard	DIN, Accrording to The Drawing or Samples.
Grade	4.8
Keywords	Machine Screws
Size	M3 - M20 / Custom
Thread Type	Standard Metric
MOQ	100000PCS
Surface Treatment	Black Oxide
Transport Package	Standard Packaging or Customized
Specification	Standard Specifications or Customized
Origin	Zhejiang, China
HS Code	7318159090
Production Capacity	60000000PCS/Year
Package Size	28.00cm * 18.00cm * 14.00cm
Package Gross Weight	20.000kg
Customization	Available
Material	Carbon Steel
Type	Cheese Head
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Drive Type	Hex socket (Allen key) drive for easy installation and high torque transmission
Thread Design	Semi-threaded (half thread) configuration for secure load distribution
Locking System	Pre-applied blue nylon patch ensures consistent anti-loosening performance
Material Options	Carbon steel (Grade 8.8, 10.9, 12.9) to meet different strength requirements
Standards Compliance	Manufactured to ISO 4762 / DIN 912 specifications for universal compatibility
Quality Assurance	All products undergo rigorous testing and inspection to ensure compliance with international standards.
Competitive Pricing	Our advanced manufacturing processes allow us to provide high-quality products at competitive prices.
Timely Delivery	With a large production capacity and efficient supply chain, we guarantee on-time delivery to meet your project deadlines.
Category	Socket Head Cap & Allen Screws

Technical parameters

TECHNICAL PARAMETERS
Product Name	Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch
Key Word	Machine Screws
Material	Carbon Steel
Drive Type	Hex Drive
Head Type	Cup Head
Thread Type	Metric Coarse Thread (M2, M2.5, M3, M4, M5, M6, M8, M10, M12)
Length Range	4mm – 100mm (customizable)
Finish	Black Oxide
Diameter Range	M2-M20
Corrosion Resistance	Excellent, suitable for outdoor, marine, and chemical environments
Packaging	Bulk in cartons, or small packs (100/500/1000 pcs per bag/box)
Lead Time	7–15 days for standard orders; 20–30 days for custom sizes
Certifications	ISO 9001, RoHS compliant

Description

Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch is part of our socket head cap & allen screws range (Screws).

Key details

Type: Cheese Head
Standard: DIN, Accrording to The Drawing or Samples.
Material: Carbon Steel
Grade: 4.8
Size: M3 – M20 / Custom
Head Style: Round
Groove: Hex
Surface Treatment: Black Oxide

Available configurations include head style, standard, grade, size and thread type. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 50,000 pieces at US$0.006 – 6.00 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 Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch?

The listed minimum order is 50,000 pieces, at US$0.006 – 6.00 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 Black Oxide Hex Socket Head Cap Half Thread Machine Screw with Nylon Patch?

Type: Cheese Head; Standard: DIN, Accrording to The Drawing or Samples.; Material: Carbon Steel; Grade: 4.8; Size: M3 - M20 / Custom; Head Style: Round. 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 thread type. 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 socket head cap & allen screws are available?

The Socket Head Cap & Allen Screws category lists 2,042 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/socket-head-cap-allen-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 – 6.00MOQ 50,000 piecesGet a quote WA