--- title: "Custom Made U Bolt for Engineering Special Equipment" description: "Custom Made U Bolt for Engineering Special Equipment — U-Bolts & J-Bolts. Standard: DIN, ANSI, GB, JIS, Grade: A2-50~A4-80. MOQ 500 pieces, US$0.012 – 0.60." url: https://engineeringhardware.com/product/custom-made-u-bolt-for-engineering-special-equipment/ source: Engineering Hardware & Fasteners --- # Custom Made U Bolt for Engineering Special Equipment [![Custom Made U Bolt for Engineering Special Equipment](https://img.engineeringhardware.com/Custom-Made-U-Bolt-for-Engineering-Special-Equipment.webp)](https://img.engineeringhardware.com/Custom-Made-U-Bolt-for-Engineering-Special-Equipment.webp) - Standard & made-to-drawing parts - Checked before shipping - Air, sea & express delivery [Bolts › U-Bolts & J-Bolts](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/custom-made-u-bolt-for-engineering-special-equipment.md) Model no. **U Bolt** | **US$0.60**500–999 pieces | **US$0.36**1,000–4,999 pieces | **US$0.24**5,000–9,999 pieces | **US$0.012**10,000+ pieces | | --- | --- | --- | --- | MOQ 500 pieces · Final price confirmed in your quote - **Material:** Carbon Steel, Alloy Steel, Stainless Steel - **Head Style:** Round - **Standard:** DIN, ANSI, GB, JIS - **Grade:** A2-50~A4-80 - **Finish:** Plain, Zinc Plated, Dacromet, H.D.G - **Thread:** Unc Unf Metric - **Length:** 3mm-3000mm - **Package Size:** 30.00cm * 20.00cm * 14.00cm Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Custom%20Made%20U%20Bolt%20for%20Engineering%20Special%20Equipment%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcustom-made-u-bolt-for-engineering-special-equipment%2F) 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 | Carbon Steel, Alloy Steel, Stainless Steel | | Type | Round Head | | Model NO. | U Bolt | | Connection | Common Bolt | | Head Style | Round | | Standard | DIN, ANSI, GB, JIS | | Grade | A2-50~A4-80 | | Application | Machinery, Chemical Industry, Environmental, Building | | Finish | Plain, Zinc Plated, Dacromet, H.D.G | | Certificate | ISO9001 | | Thread | Unc Unf Metric | | Length | 3mm-3000mm | | MOQ | 500PCS | | Delivery Time | 10-15 Days | | Quality Control | 100% Inspection | | Experience | for 20 Years | | Manufacture Processing | Cold Forging/ Hot Forging | | Delivery Method | by Sea, by Air or by Express Service | | Transport Package | Bulk,Carton,Bag,Small Packing,Small Box,Poly Bag | | Specification | M3-M72(3/16''- 4'') | | Origin | Shanghai | | HS Code | 73181500 | | Production Capacity | 10000000PCS/Month | | Package Size | 30.00cm * 20.00cm * 14.00cm | | Package Gross Weight | 25.000kg | | Lead Time | 10 days (1 - 500 Pieces) To be negotiated ( > 500 Pieces) | | Category | [U-Bolts & J-Bolts](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) | ## Technical parameters | Material | 1.StainlessSteel:SS201,SS303,SS304,SS316,SS410,SS4202.Steel:C45(K1045), C46(K1046),C203.Carbon Steel: 1010,1035,1045 | | --- | --- | | Grade | SAE J429 Gr.2, 5,8; ASTM A307Gr.A,A193 B7,B8,B8M,A194 2H, Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9 and etc. | | Finish | Plain, Zinc Plated(Clear/Blue/Yellow/Black), Black oxide, Nickel, Chrome, H.D.G and etc. | | Thread | UNC,UNF,UEF,UN,UNS | | Standard | ISO, DIN, ANSI, JIS, BS and Non-standard | | Sample Service | Samples are all in free. | | Certificate | ISO9001,CE, SGS, BV | | Packing | Bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand | | Payment terms | FOB, CIF, CFR, L/C, or others. | | Delivery method | by sea, by air or by express service | | Application | Structural Steel; Metal Buliding; Oil&Gas; Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating and etc. | ## Description Custom Made U Bolt for Engineering Special Equipment is part of our u-bolts & j-bolts range (Bolts). ### Key details - **Type:** Round Head - **Standard:** DIN, ANSI, GB, JIS - **Material:** Carbon Steel, Alloy Steel, Stainless Steel - **Grade:** A2-50~A4-80 - **Thread:** Unc Unf Metric - **Length:** 3mm-3000mm - **Head Style:** Round - **Finish:** Plain, Zinc Plated, Dacromet, H.D.G 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 500 pieces at US$0.012 – 0.60 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 Custom Made U Bolt for Engineering Special Equipment? The listed minimum order is 500 pieces, at US$0.012 – 0.60 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$0.60 for 500–999 pieces; US$0.36 for 1,000–4,999 pieces; US$0.24 for 5,000–9,999 pieces; US$0.012 for 10,000+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote. ### What are the main specifications of Custom Made U Bolt for Engineering Special Equipment? Type: Round Head; Standard: DIN, ANSI, GB, JIS; Material: Carbon Steel, Alloy Steel, Stainless Steel; Grade: A2-50~A4-80; Thread: Unc Unf Metric; Length: 3mm-3000mm. 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/](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 [![Production floor](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor-1024x683.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-01-production-floor.webp) Production floor [![Inspection bench](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-02-inspection-bench.webp) Inspection bench [![Sorting & packing](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-03-sorting-and-packing.webp) Sorting & packing [![Parts warehouse](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/factory-04-parts-warehouse.webp) Parts warehouse [![Sample review](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-02-office-sample-review.webp) Sample review [![Sales office](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office-768x512.webp)](https://engineeringhardware.com/wp-content/uploads/2026/11/office-01-daily-sales-office.webp) Sales office [More about us →](https://engineeringhardware.com/about/) · [Request a sample or custom quote →](https://engineeringhardware.com/contact/) ## Request a quote for this product ## Related products [All U-Bolts & J-Bolts →](https://engineeringhardware.com/fastener-products/bolts/u-bolts-j-bolts/) [![Factory Direct Stainless Steel 304 316 Ss U Type Bolt U-Bolt U Bolt](https://img.engineeringhardware.com/Factory-Direct-Stainless-Steel-304-316-Ss-U-Type-Bolt-U-Bolt-U-Bolt.webp)](https://engineeringhardware.com/product/factory-direct-stainless-steel-304-316-ss-u-type-bolt-u-bolt-u-bolt/) U-Bolts & J-Bolts ### [Factory Direct Stainless Steel 304 316 Ss U Type Bolt U-Bolt U Bolt](https://engineeringhardware.com/product/factory-direct-stainless-steel-304-316-ss-u-type-bolt-u-bolt-u-bolt/) Round Head · DIN, ANSI, GB, JIS, BSW, GOST **US$0.024 – 0.24**MOQ 1,000 pieces [![Marine Grade Stainless Steel U Bolt Custom Size U Shape Bolt for Pipeline](https://img.engineeringhardware.com/Marine-Grade-Stainless-Steel-U-Bolt-Custom-Size-U-Shape-Bolt-for-Pipeline.webp)](https://engineeringhardware.com/product/marine-grade-stainless-steel-u-bolt-custom-size-u-shape-bolt-for-pipeline/) U-Bolts & J-Bolts ### [Marine Grade Stainless Steel U Bolt Custom Size U Shape Bolt for Pipeline](https://engineeringhardware.com/product/marine-grade-stainless-steel-u-bolt-custom-size-u-shape-bolt-for-pipeline/) U-Bolt · DIN, ANSI, GB, JIS, BSW, GOST **US$1.08 – 1.20**MOQ 5,000 pieces [![DIN3570 Carbon Steel Grade 8.8 Hot DIP Galvanized Galvanized U Bolts with Nickel Plating U-Shaped Bolt Clamp](https://img.engineeringhardware.com/DIN3570-Carbon-Steel-Grade-8-8-Hot-DIP-Galvanized-Galvanized-U-Bolts-with-Nickel-Plating-U-Shaped-Bolt-Clamp.webp)](https://engineeringhardware.com/product/din3570-carbon-steel-grade-8-8-hot-dip-galvanized-galvanized-u-bolts-with-nickel/) U-Bolts & J-Bolts ### [DIN3570 Carbon Steel Grade 8.8 Hot DIP Galvanized Galvanized U Bolts with Nickel Plating U-Shaped Bolt Clamp](https://engineeringhardware.com/product/din3570-carbon-steel-grade-8-8-hot-dip-galvanized-galvanized-u-bolts-with-nickel/) U Bolt · DIN, ANSI, GB, JIS **US$0.0072 – 0.012**MOQ 1 piece [![Minin Truck Rear Double Axle Leaf Spring U-Bolt High Strength Grade 12.9 U-Bolt](https://img.engineeringhardware.com/Minin-Truck-Rear-Double-Axle-Leaf-Spring-U-Bolt-High-Strength-Grade-12-9-U-Bolt.webp)](https://engineeringhardware.com/product/minin-truck-rear-double-axle-leaf-spring-u-bolt-high-strength-grade-12-9-u-bolt/) U-Bolts & J-Bolts ### [Minin Truck Rear Double Axle Leaf Spring U-Bolt High Strength Grade 12.9 U-Bolt](https://engineeringhardware.com/product/minin-truck-rear-double-axle-leaf-spring-u-bolt-high-strength-grade-12-9-u-bolt/) 10.9 · Color-Zinc Plated **US$0.72 – 1.20**MOQ 100 pieces [![U-Bolt DIN3570 304 Stainless Steel U Bolts with Nut and Bolt Custom Standard](https://img.engineeringhardware.com/U-Bolt-DIN3570-304-Stainless-Steel-U-Bolts-with-Nut-and-Bolt-Custom-Standard.webp)](https://engineeringhardware.com/product/u-bolt-din3570-304-stainless-steel-u-bolts-with-nut-and-bolt-custom-standard/) U-Bolts & J-Bolts ### [U-Bolt DIN3570 304 Stainless Steel U Bolts with Nut and Bolt Custom Standard](https://engineeringhardware.com/product/u-bolt-din3570-304-stainless-steel-u-bolts-with-nut-and-bolt-custom-standard/) Round Head · DIN, GB, ANSI, BSW, JIS, GOST **US$0.24 – 0.48**MOQ 2,000 pieces [![304 Stainless Steel Double U-Bolts Cross U-Buckle, Special Shaped U-Bolt](https://img.engineeringhardware.com/304-Stainless-Steel-Double-U-Bolts-Cross-U-Buckle-Special-Shaped-U-Bolt.webp)](https://engineeringhardware.com/product/304-stainless-steel-double-u-bolts-cross-u-buckle-special-shaped-u-bolt/) U-Bolts & J-Bolts ### [304 Stainless Steel Double U-Bolts Cross U-Buckle, Special Shaped U-Bolt](https://engineeringhardware.com/product/304-stainless-steel-double-u-bolts-cross-u-buckle-special-shaped-u-bolt/) Round Head · DIN **US$0.012 – 0.06**MOQ 2,000 pieces [![Bolted Tension Four U Bolts Clamp Nll-4 240 mm2 Poplar AAAC Conductor](https://img.engineeringhardware.com/Bolted-Tension-Four-U-Bolts-Clamp-Nll-4-240-mm2-Poplar-AAAC-Conductor.webp)](https://engineeringhardware.com/product/bolted-tension-four-u-bolts-clamp-nll-4-240-mm2-poplar-aaac-conductor/) U-Bolts & J-Bolts ### [Bolted Tension Four U Bolts Clamp Nll-4 240 mm2 Poplar AAAC Conductor](https://engineeringhardware.com/product/bolted-tension-four-u-bolts-clamp-nll-4-240-mm2-poplar-aaac-conductor/) Link Fittings · GB **Price on request**MOQ 1,000 pieces [![Galvanized Round Bend U Bolt with Nut and Washer](https://img.engineeringhardware.com/Galvanized-Round-Bend-U-Bolt-with-Nut-and-Washer.webp)](https://engineeringhardware.com/product/galvanized-round-bend-u-bolt-with-nut-and-washer/) U-Bolts & J-Bolts ### [Galvanized Round Bend U Bolt with Nut and Washer](https://engineeringhardware.com/product/galvanized-round-bend-u-bolt-with-nut-and-washer/) Flexible · Galvanization **US$1.20 – 24.00**MOQ 100 pieces **US$0.012 – 0.60**MOQ 500 piecesGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Custom%20Made%20U%20Bolt%20for%20Engineering%20Special%20Equipment%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fcustom-made-u-bolt-for-engineering-special-equipment%2F)