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Bolts › U-Bolts & J-Bolts

U Bolt 1/2 Inch Pipe Two M6 Nuts Material Stainless 316 A4

Updated 2026-11-04 · Markdown version

Model no. DIN 3570

US$1.201,000–9,999 pieces

US$0.6010,000–99,999 pieces

US$0.36100,000+ pieces

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

Material: High Strength Steel
Head Style: Hexagonal
Standard: DIN, ANSI, GB, JIS, GOST
Grade: 8.8
Finish: Hot Galvanizing
Standard for Size: DIN 976
Standard Name: ASME B 18.31.2
Material Grade: 8.8, 10.9, A2-80, A4-80

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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

Customization	Available
Material	High Strength Steel
Type	Hexagon Head
Model NO.	DIN 3570
Connection	Common Bolt
Head Style	Hexagonal
Standard	DIN, ANSI, GB, JIS, GOST
Grade	8.8
Application	Machinery, Chemical Industry, Environmental, Building
Finish	Hot Galvanizing
Product Name	Thread Stud Bolts
Standard for Size	DIN 976
Standard Name	ASME B 18.31.2
Material Grade	8.8, 10.9, A2-80, A4-80
Diameter Range	M2 - M72
Inch Diameter Range	1/4" to 4"
Transport Package	Pallet
Specification	25cm x 25cm x 15cm
Origin	Shanghai
HS Code	7318190000
Production Capacity	10000 Tons Per Year
Package Size	25.00cm * 25.00cm * 16.00cm
Package Gross Weight	25.000kg
Fasteners - Stud bolts - Part 1	Metric thread
Category	U-Bolts & J-Bolts

Technical parameters

M2.5

(M3.5)

M10

M12

(M14)

M16

(M18)

M20

(M22)

P	Fine Thread Pitch
Fine Thread Pitch
Coarse Thread Pitch

-	-	-	-	-	-	-	1	1.25	1.25	1.5	1.5	1.5	1.5	1.5
-	-	-	-	-	-	-	-	1	1.5	-	-	-	-	-
0.4	0.45	0.5	0.6	0.7	0.8	1	1.25	1.5	1.75	2	2	2.5	2.5	2.5

M24

(M27)

M30

(M33)

M36

(M39)

M42

(M45)

M48

(M52)

M56

(M60)

M64

(M68)

M72

P	Fine Thread Pitch
Fine Thread Pitch
Coarse Thread Pitch

2	2	2	2	3	3	3	3	3	3	4	4	4	4	6
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
3	3	3.5	3.5	4	4	4.5	4.5	5	5	5.5	5.5	6	6	-

1/4

5/16

3/8

7/16

1/2

9/16

5/8

3/4

7/8

1-1/8

1-1/4

1-3/8

d
PP	UNC
UNF
8UN
U	UNC	min
max
UNF	min
max
8UN	min
max

0.2500	0.3125	0.3750	0.4375	0.5000	0.5625	0.6250	0.7500	0.8750	1.0000	1.1250	1.2500	1.3750
20	18	16	14	13	12	11	10	9	8	7	7	6
28	24	24	20	20	18	18	16	14	12	12	12	12
-	-	-	-	-	-	-	-	-	-	8	8	8
0.050	0.056	0.063	0.072	0.077	0.084	0.091	0.100	0.111	0.125	0.143	0.143	0.167
0.100	0.111	0.125	0.143	0.154	0.167	0.182	0.200	0.222	0.250	0.286	0.286	0.333
0.036	0.042	0.042	0.050	0.050	0.056	0.056	0.063	0.072	0.084	0.084	0.084	0.084
0.071	0.083	0.083	0.100	0.100	0.111	0.111	0.125	0.143	0.167	0.167	0.167	0.167
-	-	-	-	-	-	-	-	-	-	0.125	0.125	0.125
-	-	-	-	-	-	-	-	-	-	0.250	0.250	0.250

1-1/2

1-5/8

1-3/4

1-7/8

2-1/4

2-1/2

2-3/4

3-1/4

3-1/2

3-3/4

d
PP	UNC
UNF
8UN
U	UNC	min
max
UNF	min
max
8UN	min
max

1.5000	1.6250	1.7500	1.8750	2.0000	2.2500	2.5000	2.7500	3.0000	3.2500	3.5000	3.7500	4.0000
6	-	5	-	4 1/2	4 1/2	4	4	4	4	4	4	4
12	-	-	-	-	-	-	-	-	-	-	-	-
8	8	8	8	8	8	8	8	8	8	8	8	8
0.167	-	0.200	-	0.222	0.222	0.250	0.250	0.250	0.250	0.250	0.250	0.250
0.333	-	0.400	-	0.444	0.444	0.500	0.500	0.500	0.500	0.500	0.500	0.500
0.084	-	-	-	-	-	-	-	-	-	-	-	-
0.167	-	-	-	-	-	-	-	-	-	-	-	-
0.125	0.125	0.125	0.125	0.125	0.125	0.125	0.125	0.125	0.125	0.125	0.125	0.125
0.250	0.250	0.250	0.250	0.250	0.250	0.250	0.250	0.250	0.250	0.250	0.250	0.250

Description

U Bolt 1/2 Inch Pipe Two M6 Nuts Material Stainless 316 A4 is part of our u-bolts & j-bolts range (Bolts).

Key details

Type: Hexagon Head
Standard: DIN, ANSI, GB, JIS, GOST
Material: High Strength Steel
Grade: 8.8
Head Style: Hexagonal
Finish: Hot Galvanizing
Connection: Common Bolt
Application: Machinery, Chemical Industry, Environmental, Building

Available configurations include material, head style, standard, grade and finish. 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$0.36 – 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 U Bolt 1/2 Inch Pipe Two M6 Nuts Material Stainless 316 A4?

The listed minimum order is 1,000 pieces, at US$0.36 – 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.

How does the price change with quantity?

Volume pricing: US$1.20 for 1,000–9,999 pieces; US$0.60 for 10,000–99,999 pieces; US$0.36 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 U Bolt 1/2 Inch Pipe Two M6 Nuts Material Stainless 316 A4?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS, GOST; Material: High Strength Steel; Grade: 8.8; Head Style: Hexagonal; Finish: Hot Galvanizing. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include material, head style, standard, grade and finish. 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 u-bolts & j-bolts are available?

The U-Bolts & J-Bolts category lists 2,391 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/

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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