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Valve Mild Steel 12 Corner Nut

Updated 2026-11-04 · Markdown version

Model no. 12-4C

US$0.62 / piece

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

Material: Steel
Heat Treatment: Quenching
Surface Treatment: Zinc Plating
Forging Tolerance: +/-0.2mm
Standard: GB
Surface Treatment 1: Galvanize

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
Processing Object	Non-Metallic
Molding Style	Forging
Model NO.	12-4C
Molding Technics	Pressure Casting
Application	Auto Parts
Material	Steel
Heat Treatment	Quenching
Surface Treatment	Zinc Plating
Forging Tolerance	+/-0.2mm
Standard	GB
Certification	ISO 9001:2008
Production Capacity 1	5000PC/Month
Mild Steel 12 Corner Nut	12-4c
Certificatei 1	ISO9001
Surface Treatment 1	Galvanize
Transport Package	Carton Box with Wooden Case
Specification	ISO9001
Origin	China
HS Code	84869100
Production Capacity	3000PCS/Month
Hot die forging press	up to 2500tons
Electronic hydraulic hammer	up to 5tons
Category	Hex & Other Standard Nuts

Technical parameters

Close die forging
1) Suitable for:	big bath & medium size
2) Commonly used materials	1) Wind power shaft:42CrMo4V, 34CrNiMo6,Wind power flange: S355, C22, 16Mn, 20Mn, 42CrMo, F304 2) Forged pipe fittings: SA106 CL B, SA 106 CL C, WB36, 12Cr1MoV, SA 335 P11, P12, P22, P91, SA182 Gr. F1, Gr. F5, Gr. F11 CL2, Gr. F12 CL2, Gr. F22 CL3, SA350 Gr. LF1, Gr. LF2, Gr. LF3, 3) Pressure vessel forgings: SA105, SA350 LF2, 16Mn, 20MnMo, 15MnMo, 12Cr2Mo1, 14Cr1Mo, F304, F316,17-4PH 4) Shaft rel
3) Industry involved:	Automotive industry/Engineering/.
4) Part overall dimension limit:	max 4000tons Hot die forging press: up to 2500tons Electronic hydraulic hammer: up to 5tons
5) Representative product:	Auto connecting rods/Steering engines/Gears/Driving shafts/Vehicle axles
6) Manufacturer Certification:	ISO9001 (2000)/TS16949
7)feature	Precision forging hammers range from 160 tons till 4000 tons -Precision CNC machining centers for further machining process -Induction furnace for raw material heating -Heat treatment of continuous quench + temper +carburization available
8)Annual forging capacit	8000toms
9)the unit weight of forgings	range from 0.1kg/pc till 200kg/pc
10)Mold development ability	According to the customer's drawing or sample.

Description

Valve Mild Steel 12 Corner Nut is part of our hex & other standard nuts range (Nuts).

Key details

Standard: GB
Material: Steel
Surface Treatment: Zinc Plating
Application: Auto Parts
Certification: ISO 9001:2008
Processing Object: Non-Metallic
Molding Style: Forging
Molding Technics: Pressure Casting

Available configurations include material, heat treatment, surface treatment, forging tolerance 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 pieces at US$0.62 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 Valve Mild Steel 12 Corner Nut?

The listed minimum order is 1,000 pieces, at US$0.62 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 Valve Mild Steel 12 Corner Nut?

Standard: GB; Material: Steel; Surface Treatment: Zinc Plating; Application: Auto Parts; Certification: ISO 9001:2008; Processing Object: Non-Metallic. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, heat treatment, surface treatment, forging tolerance 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 hex & other standard nuts are available?

The Hex & Other Standard Nuts category lists 8,354 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/nuts/hex-other-standard-nuts/

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$0.62MOQ 1,000 piecesGet a quote WA