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

ASTM A194 Grade 2h Heavy Hex Nut M12

Updated 2026-11-04 · Markdown version

Model no. M12

US$0.12 / piece

MOQ 10 pieces · Final price confirmed in your quote

Head Style: Hexagonal
Standard: ANSI
Grade: 12.9
Surface: Plain, Black, Zinc, Dacromet, H.D.G. PTFE
Sizes Range: 10 to 64
Package Size: 80.00cm * 80.00cm * 100.00cm
Material: Carbon Steel
Material grades: 8/8M, 660, 321, 2205, 31083.

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.	M12
Connection	Common Bolt
Head Style	Hexagonal
Standard	ANSI
Grade	12.9
Surface	Plain, Black, Zinc, Dacromet, H.D.G. PTFE
Sizes Range	10 to 64
Application1	Structural Steel/Metal Buliding/Oil&Gas/Automobile
Application	Connections with Bolts / Stud Bolts
Transport Package	Bag/Carton
Specification	custom
Origin	China
Package Size	80.00cm * 80.00cm * 100.00cm
Package Gross Weight	1000.000kg
Customization	Available
Material	Carbon Steel
Type	Hexagon Head
Shipping Cost	Contact the supplier about freight and estimated delivery time.
Material grades	8/8M, 660, 321, 2205, 31083.
Category	Hex & Other Standard Nuts

Technical parameters

Item	Hex Nut and Heavy Hex Nuts
Standard	DIN, ISO , ANSI
System of Measurement	Inch and Metric
Basic Material	Carbn Steel, Alloy Steel, Stainless Steel
Dia./Thread Size	3/16"-4" and M13-M100
Surface Finish	Plain, Black Oxide, Zinc Plated, Zinc Nickel Plated, Cadmium Plated, PTFE etc.
Fastener Thread Type	UNC (Coarse) / Metric
Packing	Bulk in master cartons, then on pallets, or according to customers' requirement.

Description

ASTM A194 Grade 2h Heavy Hex Nut M12 is part of our hex & other standard nuts range (Nuts).

Key details

Type: Hexagon Head
Standard: ANSI
Material: Carbon Steel
Grade: 12.9
Head Style: Hexagonal
Connection: Common Bolt
Application: Connections with Bolts / Stud Bolts
Surface: Plain, Black, Zinc, Dacromet, H.D.G. PTFE

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

Ordering through Engineering Hardware & Fasteners

Minimum order is 10 pieces at US$0.12 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 ASTM A194 Grade 2h Heavy Hex Nut M12?

The listed minimum order is 10 pieces, at US$0.12 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 ASTM A194 Grade 2h Heavy Hex Nut M12?

Type: Hexagon Head; Standard: ANSI; Material: Carbon Steel; Grade: 12.9; Head Style: Hexagonal; Connection: Common Bolt. 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, surface and sizes range. 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

More about us → · Request a sample or custom quote →

Request a quote for this product

US$0.12MOQ 10 piecesGet a quote WA