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Cheap 2h Heavy Hex Nut -Factory Price

Updated 2026-11-04 · Markdown version

Model no. A194 2H

US$1.20 / piece

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

Head Style: Hexagonal
Standard: Astma194
Grade: 2h
Material: Carbon Steel
ASTM A194 Grade 2H: These nuts are primarily utilized in the oil, gas, and petrochemical industries, where the fasteners are exposed to high temperatures and pressures. They are compatible with other high-temperature bolting materials, making them ideal for flanges, valves, and pressure vessels.
ASTM A563 Grade DH: Grade DH nuts are predominantly found in construction and structural applications, securing steel frames, bridges, and other critical structural elements. They are chosen for their high strength, ensuring the safety and integrity of the structural connections.

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.	A194 2H
Connection	Common Bolt
Head Style	Hexagonal
Standard	Astma194
Grade	2h
Transport Package	25kg Carton with Pallet
Specification	1/4-8"
Origin	China
HS Code	731816
Production Capacity	10000000
Customization	Available
Material	Carbon Steel
Type	Hexagon Head
ASTM A194 Grade 2H	These nuts are primarily utilized in the oil, gas, and petrochemical industries, where the fasteners are exposed to high temperatures and pressures. They are compatible with other high-temperature bolting materials, making them ideal for flanges, valves, and pressure vessels.
ASTM A563 Grade DH	Grade DH nuts are predominantly found in construction and structural applications, securing steel frames, bridges, and other critical structural elements. They are chosen for their high strength, ensuring the safety and integrity of the structural connections.
Category	Hex & Other Standard Nuts

Technical parameters

Diameter mm	Brinell Hardness	Rockwell C (HRC)	Rockwell B (HRB)
1-1/2 in. or M36, incl	248 to 327	24 to 35	...
over 1-1/2 in. or M36	212 to 327	35 max	95 min

Elements	Range
Carbon, min	0.40 %
Manganese, max	1.00 %
Phosphorus, max	0.040 %
Sulfur, max	0.040 %
Silicon, max	0.40 %

Nominal Size, Inch	Threads per Inch	Stress Area Inch²	Heavy Hex Nuts (lbf)	Hex Nuts (lbf)
1/4	20	0.0316	5 570	4 470
5/16	18	0.0524	9 170	7 860
3/8	16	0.0774	13 560	11 620
7/16	14	0.1063	18 600	15 940
1/2	13	0.1419	24 830	21 280
9/16	12	0.182	31 850	27 300
5/8	11	0.226	39 550	33 900
3/4	10	0.334	58 450	50 100
7/8	9	0.462	80 850	69 300
1	8	0.606	106 000	90 900
1 1/8	8	0.790	138 200	118 500
1 1/4	8	1.000	175 000	150 000
1 3/8	8	1.233	215 800	185 000
1 1/2	8	1.492	261 100	223 800

Description

Cheap 2h Heavy Hex Nut -Factory Price is part of our hex & other standard nuts range (Nuts).

Key details

Type: Hexagon Head
Standard: Astma194
Material: Carbon Steel
Grade: 2h
Head Style: Hexagonal
Connection: Common Bolt

Available configurations include head style, standard, grade, material and astm a194 grade 2h. 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$1.20 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 Cheap 2h Heavy Hex Nut -Factory Price?

The listed minimum order is 1,000 pieces, at US$1.20 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 Cheap 2h Heavy Hex Nut -Factory Price?

Type: Hexagon Head; Standard: Astma194; Material: Carbon Steel; Grade: 2h; 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, material and astm a194 grade 2h. 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$1.20MOQ 1,000 piecesGet a quote WA