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Bolts › U-Bolts & J-Bolts

High Quality Flat Top Zinc Plated U Bolt

Updated 2026-11-04 · Markdown version

Model no. CYS0044

US$0.79 / piece

MOQ 1 piece · Final price confirmed in your quote

Standard: DIN, ANSI, GB, BSW, GOST
Grade: 10.9
Finish: Hot Galvanizing
Color: Black
Width: 2 3/4"
Diameter: 5/8"
Finishing: Zinc Paint

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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
Standard	DIN, ANSI, GB, BSW, GOST
Grade	10.9
Model NO.	CYS0044
Application	Auto Parts, Truck Trailer Parts
Finish	Hot Galvanizing
Packaging Unit	1-2 PCS
Unit Weight	0.6
Color	Black
Lead Time	30 Days
Width	2 3/4"
Legth	8"
Diameter	5/8"
Shape	Flat
Finishing	Zinc Paint
Used for	U-Bolt Replaces
Transport Package	Ship by Sea
Specification	10.9 U BOLT
Origin	China
HS Code	7318151001
Production Capacity	100000PCS/Month
Wide Product Range	More than 800 different sizes of U bolts, center bolts, and wheel bolts
Fast Lead Time	7-10 working days
Less MOQ	U bolt 10pcs
Category	U-Bolts & J-Bolts

Technical parameters

SIZE	5/8"x2 3/4"x8"
Material	40Cr(SAE5140)/35CrMo(SAE4135)/42CrMo(SAE4140)
Grade/Quality	10.9 / 12.9
Hardness	HRC32-39 / HRC39-42
Surface Treatment	Phosphated, Zinc plated, Dacromet
Certificates	ISO/TS16949
Color	Support Any Color

OEM	FORM	M	B	L	L1	Size Parameter
81413120189	Form 0	M14x1.5	82	125	60	M14x1.5x82x125
81413120233	Form 0	M16x1.5	81	325	95	M16x1.5x81x325
81413120225	Form 0	M18x2.0	81	210	80	M18x2.0x81x210
06461120220 81413120276	Form 0	M18x2.0	93	220	110	M18x2.0x93x220
06461120295	Form 0	M18x2.0	93	295	110	M18x2.0x93x295
3143510625	Form 0	M16x1.5	82	180	55	M16x1.5x82x180
1585095	Form 0	M24x3.0	91	330	60	M24x3.0x101x330
0313844084	Form 0	M24x3.0	101	280	85	M24x3.0x101x280
0313844031	Form 0	M24x3.0	101	386	85	M24x3.0x101x386
0313841050	Form 0	M24x3.0	128	350	85	M24x3.0x128x350
1402006400S	Form 2	M22*1.5	147	321	130	M22x1.5x147x321
1402000900	Form 2	M24*2.0	136	320	80	M24x2.0x136x320
1402001200	Form 2	M24*2.0	146	335	110	M24x2.0x146x335
90117-14052	Form 2	M14*1.5	84	243	68	M14x1.5x84x243
1590942	Form 4	M20*2.5	102	285	70	M20x2.5x102x285

Description

High Quality Flat Top Zinc Plated U Bolt is part of our u-bolts & j-bolts range (Bolts).

Key details

Standard: DIN, ANSI, GB, BSW, GOST
Grade: 10.9
Diameter: 5/8"
Finish: Hot Galvanizing
Application: Auto Parts, Truck Trailer Parts
Packaging Unit: 1-2 PCS
Unit Weight: 0.6
Color: Black

Available configurations include standard, grade, finish, color and width. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 1 piece at US$0.79 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 High Quality Flat Top Zinc Plated U Bolt?

The listed minimum order is 1 piece, at US$0.79 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 High Quality Flat Top Zinc Plated U Bolt?

Standard: DIN, ANSI, GB, BSW, GOST; Grade: 10.9; Diameter: 5/8"; Finish: Hot Galvanizing; Application: Auto Parts, Truck Trailer Parts; Packaging Unit: 1-2 PCS. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include standard, grade, finish, color and width. 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

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

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US$0.79MOQ 1 pieceGet a quote WA