---
title: "Professional Supplier Hex Head Bolt Unc Black-Oxide Hexagonal Bolt"
description: "Professional Supplier Hex Head Bolt Unc Black-Oxide Hexagonal Bolt — Hex-Head Bolts. MOQ 1 ton, US$840.00 – 1,440."
url: https://engineeringhardware.com/product/professional-supplier-hex-head-bolt-unc-black-oxide-hexagonal-bolt/
source: Engineering Hardware & Fasteners
---

# Professional Supplier Hex Head Bolt Unc Black-Oxide Hexagonal Bolt

[![Professional Supplier Hex Head Bolt Unc Black-Oxide Hexagonal Bolt](https://img.engineeringhardware.com/Professional-Supplier-Hex-Head-Bolt-Unc-Black-Oxide-Hexagonal-Bolt.webp)](https://img.engineeringhardware.com/Professional-Supplier-Hex-Head-Bolt-Unc-Black-Oxide-Hexagonal-Bolt.webp)

- Standard & made-to-drawing parts
- Checked before shipping
- Air, sea & express delivery

[Bolts › Hex-Head Bolts](https://engineeringhardware.com/fastener-products/bolts/hex-head-bolts/)

Updated 2026-11-04 · [Markdown version](https://engineeringhardware.com/product/professional-supplier-hex-head-bolt-unc-black-oxide-hexagonal-bolt.md)

Model no. **M6-M150**

US$840.00 – 1,440 / ton

MOQ 1 ton · Final price confirmed in your quote

- **Material:** Carbon Steel
- **Head Style:** Hexagonal
- **Standard:** DIN, ANSI, GB, JIS
- **Grade:** 8.8
- **Finish:** Blue-White Zinc Plated
- **Materials:** Carbon Steel
- **Diameter:** M6-M120
- **Length:** ≤800mm

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Professional%20Supplier%20Hex%20Head%20Bolt%20Unc%20Black-Oxide%20Hexagonal%20Bolt%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fprofessional-supplier-hex-head-bolt-unc-black-oxide-hexagonal-bolt%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 |
| Type | Hexagon Head |
| Model NO. | M6-M150 |
| Connection | Common Bolt |
| Head Style | Hexagonal |
| Standard | DIN, ANSI, GB, JIS |
| Grade | 8.8 |
| Application | Machinery, Chemical Industry, Building |
| Finish | Blue-White Zinc Plated |
| Samples | Free |
| OEM | Accepted |
| Quality | High Quality |
| Materials | Carbon Steel |
| Transport Package | Small Box. Carton or According to Customers' Req |
| Specification | m6-m30 |
| Origin | China |
| HS Code | 7318150000 |
| Production Capacity | 1500ton/Month |
| Diameter | M6-M120 |
| Length | ≤800mm |
| Thread | Metric |
| Packing | bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand |
| Equipments | Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter,Spectrometer |
| Supply Ability | 2000 tons per month |
| MinimumOrder | according to customer demand |
| Trade Term | FOB/CIF/CFR/CNF/EXW/DDU/DDP |
| Payment | T/T, L/C, D/A , D/P ,West union,Paypal.etc |
| Market | Europe/South&north Amrica/East&South east Asia/Middle East/Australia and ect. |
| Professional | More than 10 years experience in fasteners industry Our Main market is North&South America and proficient in DIN/ASME/ASTM/IFI standard. |
| Our advantage | One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free |
| Notice | Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us |
| Category | [Hex-Head Bolts](https://engineeringhardware.com/fastener-products/bolts/hex-head-bolts/) |

## Technical parameters

| Standard: | DIN933 BOLTS |
| --- | --- |
| Diameter: | M6-M120 |
| Length: | ≤800mm |
| Material: | Carbon Steel, Alloy Steel, Stainless Steel, Brass |
| Grade: | Class 4.8, 5.8, 6.8, 8.8, 10.9, 12.9;A2-70,A4-70,A4-80 |
| Thread: | Metric |
| Finish: | Plain,Black oxide, Zinc Plated(Clear/Blue/Yellow/Black), H.D.G, Nickel, Chrome,PTFE,Dacromet,Geomet,Magni,Zinc Nickel,Zinteck. |
| Packing: | bulk in cartons (25kg Max.)+wood Pallet or according to customer special demand |
| Application: | Structural Steel; Metal Buliding; Oil&Gas;Tower&Pole; Wind Energy; Mechanical Machine; Automobile: Home Decorating |
| Equipments: | Caliper, Go&No-go gauge, Tensile test machine, Hardness tester, Salt spraying tester, H.D.G thickness tester, 3D detector, Projector, Magnetic flaw detecter,Spectrometer |
| Supply Ability: | 2000 tons per month |
| MinimumOrder: | according to customer demand |
| Trade Term: | FOB/CIF/CFR/CNF/EXW/DDU/DDP |
| Payment: | T/T, L/C, D/A , D/P ,West union,Paypal.etc |
| Market: | Europe/South&north Amrica/East&South east Asia/Middle East/Australia and ect. |
| Professional: | More than 10 years experience in fasteners industry Our Main market is North&South America and proficient in DIN/ASME/ASTM/IFI standard. |
| Our advantage: | One-stop shopping; High quality; Competitive price; Timely delivery; Technical support; Supply Material and Test Reports; Samples for free |
| Notice: | Please lets know the Size, quantity, Material or Grade, surface, If it is special and Non-standard products, please supply the Drawing or Photos or Samples to us |

| M1.6 | M2 | M2.5 | M3 | (M3.5) | M4 | M5 | M6 | (M7) | M8 | M10 | M12 | (M14) | M16 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |

| P | Pitch |  |
| --- | --- | --- |
| a | max |  |
| c | min |  |
| max |  |  |
| da | max |  |
| dw | Grade A | min |
| Grade B | min |  |
| e | Grade A | min |
| Grade B | min |  |
| k | Nominal Size |  |
| Grade A | min |  |
| max |  |  |
| Grade B | min |  |
| max |  |  |
| k1 | min |  |
| r | min |  |
| s | max=nominal size |  |
| Grade A | min |  |
| Grade B | min |  |

| 0.35 | 0.4 | 0.45 | 0.5 | 0.6 | 0.7 | 0.8 | 1 | 1 | 1.25 | 1.5 | 1.75 | 2 | 2 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1.05 | 1.2 | 1.35 | 1.5 | 1.8 | 2.1 | 2.4 | 3 | 3 | 3.75 | 4.5 | 5.25 | 6 | 6 |
| 0.1 | 0.1 | 0.1 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.2 |
| 0.25 | 0.25 | 0.25 | 0.4 | 0.4 | 0.4 | 0.5 | 0.5 | 0.5 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 |
| 2 | 2.6 | 3.1 | 3.6 | 4.1 | 4.7 | 5.7 | 6.8 | 7.8 | 9.2 | 11.2 | 13.7 | 15.7 | 17.7 |
| 2.4 | 3.2 | 4.1 | 4.6 | 5.1 | 5.9 | 6.9 | 8.9 | 9.6 | 11.6 | 15.6 | 17.4 | 20.5 | 22.5 |
| - | - | - | - | - | 5.7 | 6.7 | 8.7 | 9.4 | 11.4 | 15.4 | 17.2 | 20.1 | 22 |
| 3.41 | 4.32 | 5.45 | 6.01 | 6.58 | 7.66 | 8.79 | 11.05 | 12.12 | 14.38 | 18.9 | 21.1 | 24.49 | 26.75 |
| - | - | - | - | - | 7.5 | 8.63 | 10.89 | 11.94 | 14.2 | 18.72 | 20.88 | 23.91 | 26.17 |
| 1.1 | 1.4 | 1.7 | 2 | 2.4 | 2.8 | 3.5 | 4 | 4.8 | 5.3 | 6.4 | 7.5 | 8.8 | 10 |
| 0.98 | 1.28 | 1.58 | 1.88 | 2.28 | 2.68 | 3.35 | 3.85 | 4.65 | 5.15 | 6.22 | 7.32 | 8.62 | 9.82 |
| 1.22 | 1.52 | 1.82 | 2.12 | 2.52 | 2.92 | 3.65 | 4.15 | 4.95 | 5.45 | 6.56 | 7.68 | 8.98 | 10.18 |
| - | - | - | - | - | 2.6 | 3.26 | 3.76 | 4.56 | 5.06 | 6.11 | 7.21 | 8.51 | 9.71 |
| - | - | - | - | - | 3 | 3.74 | 4.24 | 5.04 | 5.54 | 6.69 | 7.79 | 9.09 | 10.29 |
| 0.7 | 0.9 | 1.1 | 1.3 | 1.6 | 1.9 | 2.28 | 2.63 | 3.19 | 3.54 | 4.28 | 5.05 | 5.96 | 6.8 |
| 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.2 | 0.2 | 0.25 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 |
| 3.2 | 4 | 5 | 5.5 | 6 | 7 | 8 | 10 | 11 | 13 | 17 | 19 | 22 | 24 |
| 3.02 | 3.82 | 4.82 | 5.32 | 5.82 | 6.78 | 7.78 | 9.78 | 10.73 | 12.73 | 16.73 | 18.67 | 21.67 | 23.67 |
| - | - | - | - | - | 6.64 | 7.64 | 9.64 | 10.57 | 12.57 | 16.57 | 18.48 | 21.16 | 23.16 |

| Weight of per 1000 steel products(≈kg) |
| --- |

| - | - | - | - | - | - | - | - | - | - | - | - | - | - |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |

| (M18) | M20 | (M22) | M24 | (M27) | M30 | (M33) | M36 | (M39) | M42 | (M45) | M48 | (M52) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |

| P | Pitch |  |
| --- | --- | --- |
| a | max |  |
| c | min |  |
| max |  |  |
| da | max |  |
| dw | Grade A | min |
| Grade B | min |  |
| e | Grade A | min |
| Grade B | min |  |
| k | Nominal Size |  |
| Grade A | min |  |
| max |  |  |
| Grade B | min |  |
| max |  |  |
| k1 | min |  |
| r | min |  |
| s | max=nominal size |  |
| Grade A | min |  |
| Grade B | min |  |

| 2.5 | 2.5 | 2.5 | 3 | 3 | 3.5 | 3.5 | 4 | 4 | 4.5 | 4.5 | 5 | 5 |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 7.5 | 7.5 | 7.5 | 9 | 9 | 10.5 | 10.5 | 12 | 12 | 13.5 | 13.5 | 15 | 15 |
| 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
| 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 |
| 20.2 | 22.4 | 24.4 | 26.4 | 30.4 | 33.4 | 36.4 | 39.4 | 42.4 | 45.6 | 48.6 | 52.6 | 56.6 |
| 25.3 | 28.2 | 30 | 33.6 | - | - | - | - | - | - | - | - | - |
| 24.8 | 27.7 | 29.5 | 33.2 | 38 | 42.7 | 46.5 | 51.1 | 55.9 | 59.9 | 64.7 | 69.4 | 74.2 |
| 30.14 | 33.53 | 35.72 | 39.98 | - | - | - | - | - | - | - | - | - |
| 29.56 | 32.95 | 35.03 | 39.55 | 45.2 | 50.85 | 55.37 | 60.79 | 66.44 | 71.3 | 76.95 | 82.6 | 88.25 |
| 11.5 | 12.5 | 14 | 15 | 17 | 18.7 | 21 | 22.5 | 25 | 26 | 28 | 30 | 33 |
| 11.28 | 12.28 | 13.78 | 14.78 | - | - | - | - | - | - | - | - | - |
| 11.72 | 12.72 | 14.22 | 15.22 | - | - | - | - | - | - | - | - | - |
| 11.15 | 12.15 | 13.65 | 14.65 | 16.65 | 18.28 | 20.58 | 22.08 | 24.58 | 25.58 | 27.58 | 29.58 | 32.5 |
| 11.85 | 12.85 | 14.35 | 15.35 | 17.35 | 19.12 | 21.42 | 22.92 | 25.42 | 26.42 | 28.42 | 30.42 | 33.5 |
| 7.8 | 8.5 | 9.6 | 10.3 | 11.7 | 12.8 | 14.4 | 15.5 | 17.2 | 17.9 | 19.3 | 20.9 | 22.8 |
| 0.6 | 0.8 | 0.8 | 0.8 | 1 | 1 | 1 | 1 | 1 | 1.2 | 1.2 | 1.6 | 1.6 |
| 27 | 30 | 32 | 36 | 41 | 46 | 50 | 55 | 60 | 65 | 70 | 75 | 80 |
| 26.67 | 29.67 | 31.61 | 35.38 | - | - | - | - | - | - | - | - | - |
| 26.15 | 29.16 | 31 | 35 | 40 | 45 | 49 | 53.8 | 58.8 | 63.1 | 68.1 | 73.1 | 78.1 |

| Weight of per 1000 steel products(≈kg) |
| --- |

| - | - | - | - | - | - | - | - | - | - | - | - | - |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |

| ,This standard specifies requirements for M1,6 to M52 hexagon head screws threaded up to the head, assigned to product grade A, for sizes up to M24 and lengths not exceeding 10d or 150 mm, and to product grade B for sizes greater than M24 or lengths exceeding 10 d or 150 mm. ,For thread sizes not greater than M4,also permitted without chamfered end |
| --- |

| FAQ |
| --- |
| Threaded rod, Hex bolt, Hex Nut, Flat washer, Screws, Anchors, Blind rivet, etc |
| It depends on sizes, Usually 200 kgs to 1000 kgs. |
| From 7 days to 75 days, depends on your sizes and quantity. |
| T/T, LC, DP, etc. |
| Due to a lot of kinds of fasteners, we quote prices accoridng to sizes, quantity, packing only. |
| Sure, free sampls will be provided |

## Description

Professional Supplier Hex Head Bolt Unc Black-Oxide Hexagonal Bolt is part of our hex-head bolts range (Bolts).

### Key details

- **Type:** Hexagon Head
- **Standard:** DIN, ANSI, GB, JIS
- **Material:** Carbon Steel
- **Grade:** 8.8
- **Diameter:** M6-M120
- **Thread:** Metric
- **Length:** ≤800mm
- **Head Style:** Hexagonal

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 ton at US$840.00 – 1,440 per ton. 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 Professional Supplier Hex Head Bolt Unc Black-Oxide Hexagonal Bolt?

The listed minimum order is 1 ton, at US$840.00 – 1,440 per ton. 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 Professional Supplier Hex Head Bolt Unc Black-Oxide Hexagonal Bolt?

Type: Hexagon Head; Standard: DIN, ANSI, GB, JIS; Material: Carbon Steel; Grade: 8.8; Diameter: M6-M120; Thread: Metric. 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 hex-head bolts are available?

The Hex-Head Bolts category lists 8,449 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/bolts/hex-head-bolts/](https://engineeringhardware.com/fastener-products/bolts/hex-head-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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Production floor

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Inspection bench

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Sorting & packing

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Parts warehouse

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Sample review

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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

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**US$840.00 – 1,440**MOQ 1 tonGet a quote[WA](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Professional%20Supplier%20Hex%20Head%20Bolt%20Unc%20Black-Oxide%20Hexagonal%20Bolt%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fprofessional-supplier-hex-head-bolt-unc-black-oxide-hexagonal-bolt%2F)