Standard & made-to-drawing parts
Checked before shipping
Air, sea & express delivery

ISO7379 Class12.9 Hex Socket Head Step Shoulder Screws

Updated 2026-11-04 · Markdown version

Model no. ISO7379

US$0.601,000–99,999 pieces

US$0.36100,000–999,999 pieces

US$0.121,000,000+ pieces

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

Head Style: Round
Standard: DIN
Grade: 8.8 10.9 12.9 A2-70
Package Size: 28.00cm * 25.00cm * 13.50cm
Material: Carbon Steel, Alloy Steel Stainless Steel,Brass
Diameter: M1.4-M56, 0#-80, 3#-48, 2#-56, 4#-40, 4#-48, 6#-32, 8#-32, 10#-24, 10#-32, 10#, 12#-24, 1/4-28, 1/8-40, 5/32-32, 1/4*3/16-24, 3/16-24, 1/4-20, 5/16*1/4-20, 5/16-18, 5/16-24, 3/8*5/16-18, 3/8-16, 3/8-24, 1/2*3/8-16, 7/16-14, 1/2-13, 1/2-12, 5/8*1/2-12, 5/8*1/2-13, 5/8-11, 3/4-10, 7/8-9, 1-1/2-6, Φ4, 6, Φ6, Φ10, 1"-8, 1-8
Thread: M,UNC,UNF
Finish: Plain, Black oxide, Blue-White Zinc, Zinc Plated(Clear/Blue/Yellow/Black), Nickel, Chrome,Dacromet,Zinc Nickel.

Get a quote WhatsApp

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.	ISO7379
Groove	Special Shape
Connection	Common Bolt
Head Style	Round
Standard	DIN
Grade	8.8 10.9 12.9 A2-70
MOQ	1000PCS
Certification	ISO9001
Application	General Industry
European Anti-Dumping	39.6%
Delivery Time	25 Days
Durability	Enhanced
Transport Package	25kg/Carton+Pallet
Specification	M5-M20
Origin	Ningbo, Zhejiang
HS Code	7318151001
Production Capacity	2500tons/Month
Package Size	28.00cm * 25.00cm * 13.50cm
Package Gross Weight	22.000kg
Customization	Available
Material	Carbon Steel, Alloy Steel Stainless Steel,Brass
Type	Round Head
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Category	ANSI/ASME B18.3, ANSI/ASME B18.3BT, ANSI/ASME B18.3F, ANSI/ASME B18.3LSH, ANSI/ASME B18.3SH, BS2470, DIN251, DIN6912, DIN7984, DIN7991, DIN912, GB70GB70.1, GB70.1, GB70.2, GB70.3, GB70-76, GB70-85, GB819, ISO10642, ISO7379, ISO7380, ISO7380-2, JISB1174, JISB1194 or according to customer special demand.
Diameter	M1.4-M56, 0#-80, 3#-48, 2#-56, 4#-40, 4#-48, 6#-32, 8#-32, 10#-24, 10#-32, 10#, 12#-24, 1/4-28, 1/8-40, 5/32-32, 1/43/16-24, 3/16-24, 1/4-20, 5/161/4-20, 5/16-18, 5/16-24, 3/85/16-18, 3/8-16, 3/8-24, 1/23/8-16, 7/16-14, 1/2-13, 1/2-12, 5/81/2-12, 5/81/2-13, 5/8-11, 3/4-10, 7/8-9, 1-1/2-6, Φ4, 6, Φ6, Φ10, 1"-8, 1-8
Thread	M,UNC,UNF
Finish	Plain, Black oxide, Blue-White Zinc, Zinc Plated(Clear/Blue/Yellow/Black), Nickel, Chrome,Dacromet,Zinc Nickel.
Our main products are fasteners	bolts, screws, rods, nuts, washers, anchors and rivets.
Keyword	china supplies,OEM/ODM,Manufacturer,screw,bolt,hardware.bolt and nut,fastener,carbon steel,fange nut.hexagonal nut.stainless steel nut,zlfastener,sinofastener
Category	Socket Head Cap & Allen Screws

Technical parameters

Standard:	DIN, GB, ANSI/ASME, ISO, JIS
Category:	ANSI/ASME B18.3, ANSI/ASME B18.3BT, ANSI/ASME B18.3F, ANSI/ASME B18.3LSH, ANSI/ASME B18.3SH, BS2470, DIN251, DIN6912, DIN7984, DIN7991, DIN912, GB70GB70.1, GB70.1, GB70.2, GB70.3, GB70-76, GB70-85, GB819, ISO10642, ISO7379, ISO7380, ISO7380-2, JISB1174, JISB1194 or according to customer special demand.
Diameter:	M1.4-M56, 0#-80, 3#-48, 2#-56, 4#-40, 4#-48, 6#-32, 8#-32, 10#-24, 10#-32, 10#, 12#-24, 1/4-28, 1/8-40, 5/32-32, 1/43/16-24, 3/16-24, 1/4-20, 5/161/4-20, 5/16-18, 5/16-24, 3/85/16-18, 3/8-16, 3/8-24, 1/23/8-16, 7/16-14, 1/2-13, 1/2-12, 5/81/2-12, 5/81/2-13, 5/8-11, 3/4-10, 7/8-9, 1-1/2-6, Φ4, 6, Φ6, Φ10, 1"-8, 1-8
Grade:	A2-50, A2-70, A2-070, A2-80, A4, A4-70, A4-070, A4-80, A4-100, A574, D2-80, D6, F593C, F593G, Grade 4.8, 8.8, 10.9, 12.9, 14.9, US grade 5,8 or according to customer special demand.
Material:	1.Carbon steel: C1006,C1008,C1010,C1018A,C1022,C1035K,C1045K, etc.
2.Stainless steel: SS301 SS302,SS303,SS304,SS316,SS410,SS416,SS420,SS430, etc.
3.Steel:C15,C35,C45(K1045)S45C,C46(K1046),C20, etc.
4.Copper:Brass(C3602,C3604,H59,H62,H65,H68,H70,H90),etc. Phosphor bronze,Silicon bronze,Red copper,Beryllium copper and Copper, etc.
5.Iron: 12L13,12L14,12L15, etc.
6.Aluminum:AL6061,AL6063,7075, etc.
7.Titanium or titanium alloy: TAD,TA1-TA8, TB2,TC1-TC10, etc.
8.Silver or silver alloy:AgCu3,AgCu7.5,AgSn3-5,AgPb0.4-0.7,AgPd3-5,AgNi10, etc.
9.Alloy steel:SCM435,10B21,40Cr, etc.
Thread:	M,UNC,UNF
Finish:	Plain, Black oxide, Blue-White Zinc, Zinc Plated(Clear/Blue/Yellow/Black), Nickel, Chrome,Dacromet,Zinc Nickel.

Description

ISO7379 Class12.9 Hex Socket Head Step Shoulder Screws is part of our socket head cap & allen screws range (Screws).

Key details

Type: Round Head
Standard: DIN
Material: Carbon Steel, Alloy Steel Stainless Steel,Brass
Grade: 8.8 10.9 12.9 A2-70
Thread: M,UNC,UNF
Head Style: Round
Groove: Special Shape
Connection: Common Bolt

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 1,000 pieces at US$0.12 – 0.60 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 ISO7379 Class12.9 Hex Socket Head Step Shoulder Screws?

The listed minimum order is 1,000 pieces, at US$0.12 – 0.60 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$0.60 for 1,000–99,999 pieces; US$0.36 for 100,000–999,999 pieces; US$0.12 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 ISO7379 Class12.9 Hex Socket Head Step Shoulder Screws?

Type: Round Head; Standard: DIN; Material: Carbon Steel, Alloy Steel Stainless Steel,Brass; Grade: 8.8 10.9 12.9 A2-70; Thread: M,UNC,UNF; 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, package size and material. 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$0.12 – 0.60MOQ 1,000 piecesGet a quote WA