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1/4-20 High Strength Steel Black Oxide 12 Point Screw

Updated 2026-11-04 · Markdown version

Model no. HKY2023111403

US$0.2410,000–99,999 pieces

US$0.18100,000+ pieces

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

Head Style: Round
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Grade: 8.8
Thread: 5/16-24
Length: 1/2", 1"
Package Size: 11.00cm * 11.00cm * 11.00cm
Material: High Strength 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.	HKY2023111403
Groove	Hexagon
Connection	Common Bolt
Head Style	Round
Standard	DIN, GB, ANSI, BSW, JIS, GOST
Grade	8.8
Application	Heavy Duty Stamping, Bulldozers and Excavators
Thread	5/16-24
Screw Type	Custom Screw, Sepcial Screw
Length	1/2", 1"
Transport Package	Carton Boxes
Specification	55x55x55cm
Origin	China
HS Code	7415339000
Production Capacity	1000000 Per Year
Package Size	11.00cm * 11.00cm * 11.00cm
Package Gross Weight	0.003kg
Customization	Available
Material	High Strength Steel
Type	Hexagon Head With Flange
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Category	Other Machine & Custom Screws

Technical parameters

Standard	ISO, JIS, GB, ANSI, BSW, DIN or non standard as customize
Material	1.Stainless Steel: SS201, SS303, SS304, SS316, SS410, SS4202.Steel:C45(K1045), C46(K1046),C203.Brass:C36000 ( C26800), C37700 ( HPb59), C38500( HPb58), C27200CuZn37), C28000(CuZn40)4.Bronze: C51000, C52100, C54400, etc5.Iron: 1213, 12L14,12156.Aluminum/ Aluminum Alloy: Al6061, Al6063 etc7.Carbon steel: C1006,C1010,C1018,C1022,C1035K,C1045, C435#, 40CrMo, 42CrMo8.Alloy steel: SCM435,10B219.Titanium
Grade	4.8,6.8,8.8,12.9,etc
Size	M3-M24 or made to print as customer's specification
Specifications	Various shape size according to client's requirement
Thread	unc,unf,metric thread
Finish	Plain, Zinc Plated(Clear/Blue/Yellow/Black), black oxide, H.D.G, DAC,GOEMET, as custom need
Payment term	T/T 30 % deposit, 70% balance payment before shipment
Package	solid cardboard box pack or kit packed

Description

1/4-20 High Strength Steel Black Oxide 12 Point Screw is part of our other machine & custom screws range (Screws).

Key details

Type: Hexagon Head With Flange
Standard: DIN, GB, ANSI, BSW, JIS, GOST
Material: High Strength Steel
Grade: 8.8
Thread: 5/16-24
Length: 1/2", 1"
Head Style: Round
Groove: Hexagon

Available configurations include head style, standard, grade, thread and length. 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$0.18 – 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 1/4-20 High Strength Steel Black Oxide 12 Point Screw?

The listed minimum order is 10,000 pieces, at US$0.18 – 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.

How does the price change with quantity?

Volume pricing: US$0.24 for 10,000–99,999 pieces; US$0.18 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 1/4-20 High Strength Steel Black Oxide 12 Point Screw?

Type: Hexagon Head With Flange; Standard: DIN, GB, ANSI, BSW, JIS, GOST; Material: High Strength Steel; Grade: 8.8; Thread: 5/16-24; Length: 1/2", 1". 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, thread and length. 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 other machine & custom screws are available?

The Other Machine & Custom Screws category lists 14,058 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/other-machine-custom-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 →

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US$0.18 – 0.24MOQ 10,000 piecesGet a quote WA