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Boat Trailer Square Galvanized U-Bolts

Updated 2026-11-04 · Markdown version

US$0.03 – 0.06 / piece

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

Material: Stainless Steel
Head Style: U-Bent
Standard: DIN, ANSI, ASME, Ifi, ISO
Grade: Grade 307A, 2, 5, 8
Finish: SS304
Length: 3/4"-50"
Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449,

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	Stainless Steel
Type	U-Bent
Connection	Common Bolt
Head Style	U-Bent
Standard	DIN, ANSI, ASME, Ifi, ISO
Grade	Grade 307A, 2, 5, 8
Application	Machinery, Chemical Industry, Building
Finish	SS304
MOQ	1000PCS
Length	3/4"-50"
Certificate	ISO;SGS; RoHS;TUV;ISO9001
Sampling Time	3~5 Workdays
Transport Package	Bulk in Carton. Then in Pallet
Specification	M5 - M42
Origin	China
HS Code	731815
Production Capacity	100tons/Month
Stainless Steel	SS201, SS303, SS304, SS316,SS316L,SS904L,F593
Steel Grade	DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449,
M2-M24	Cold Froging,M24-M100 Hot Forging,
Busy season	15-30days,Slack seaon:10-15days
Steel	4.8Grade DIN6923,8.8Grade 10.9Grade of GB5783 and GB5782
Category	U-Bolts & J-Bolts

Technical parameters

Products name	Stainless Steel SS304 ss316 A2 A4 Square U-Bolt Boat Trailer Ubolts DIN3570 Square U Bolts
Standard:	DIN,ASTM/ANSI JIS EN ISO,AS,GB
Material	Stainless Steel: SS201, SS303, SS304, SS316,SS316L,SS904L,F593
Steel Grade: DIN: Gr.4.6,4.8,5.6,5.8,8.8,10.9,12.9; SAE: Gr.2,5,8; ASTM: 307A,307B,A325,A394,A490,A449,
Finishing	Zinc(Yellow,White,Blue,Black),Hop Dip Galvanized(HDG),Black Oxide, Geomet,Dacroment,anodization,Nickel plated,Zinc-Nickel plated
Production Process	M2-M24:Cold Froging,M24-M100 Hot Forging, Machining and CNC for Customized fastener
Customized Products Lead time	Busy season:15-30days,Slack seaon:10-15days
Stock Products	Steel:4.8Grade DIN6923,8.8Grade 10.9Grade of GB5783 and GB5782 Stainless steel: All DIN Standard stainless steel Bolt
Free Samples for standard fastener

Description

Boat Trailer Square Galvanized U-Bolts is part of our u-bolts & j-bolts range (Bolts).

Key details

Type: U-Bent
Standard: DIN, ANSI, ASME, Ifi, ISO
Material: Stainless Steel
Grade: Grade 307A, 2, 5, 8
Length: 3/4"-50"
Head Style: U-Bent
Finish: SS304
Connection: Common Bolt

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$0.03 – 0.06 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 Boat Trailer Square Galvanized U-Bolts?

The listed minimum order is 1,000 pieces, at US$0.03 – 0.06 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 Boat Trailer Square Galvanized U-Bolts?

Type: U-Bent; Standard: DIN, ANSI, ASME, Ifi, ISO; Material: Stainless Steel; Grade: Grade 307A, 2, 5, 8; Length: 3/4"-50"; Head Style: U-Bent. 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

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

Request a quote for this product

US$0.03 – 0.06MOQ 1,000 piecesGet a quote WA