---
title: "Self Drilling Anchor Bar Threaded Hollow Bolts for Mining"
description: "Self Drilling Anchor Bar Threaded Hollow Bolts for Mining — Foundation & Anchor Bolts. MOQ 50 pieces, US$13.80 – 15.60."
url: https://engineeringhardware.com/product/self-drilling-anchor-bar-threaded-hollow-bolts-for-mining/
source: Engineering Hardware & Fasteners
---

# Self Drilling Anchor Bar Threaded Hollow Bolts for Mining

[![Self Drilling Anchor Bar Threaded Hollow Bolts for Mining](https://img.engineeringhardware.com/Self-Drilling-Anchor-Bar-Threaded-Hollow-Bolts-for-Mining.webp)](https://img.engineeringhardware.com/Self-Drilling-Anchor-Bar-Threaded-Hollow-Bolts-for-Mining.webp)

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

[Anchors & Construction Fixings › Foundation & Anchor Bolts](https://engineeringhardware.com/fastener-products/anchors-construction-fixings/foundation-anchor-bolts/)

Updated 2026-11-03 · [Markdown version](https://engineeringhardware.com/product/self-drilling-anchor-bar-threaded-hollow-bolts-for-mining.md)

Model no. **R51**

| **US$15.60**50–99 pieces | **US$13.80**100+ pieces |
| --- | --- |

MOQ 50 pieces · Final price confirmed in your quote

- **Standard:** ISO 9001:2015
- **Color:** Black
- **Surface Treatment:** Rust-Proof
- **Standard Length:** Custom Length
- **Package Size:** 150.00cm * 100.00cm * 50.00cm
- **Material:** Alloy Steel/Carbon Steel

Get a quote [WhatsApp](https://wa.me/8615999653684?text=Hi%20Engineering%20Hardware%20%26amp%3B%20Fasteners%2C%20I%20would%20like%20a%20quote%20for%3A%20Self%20Drilling%20Anchor%20Bar%20Threaded%20Hollow%20Bolts%20for%20Mining%20%E2%80%94%20https%3A%2F%2Fengineeringhardware.com%2Fproduct%2Fself-drilling-anchor-bar-threaded-hollow-bolts-for-mining%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

| Standard | ISO 9001:2015 |
| --- | --- |
| Type | Anchor Bolt |
| Model No. | R51 |
| Manufacturing Process | Machining |
| Machine Type | Drilling Tool |
| Advantage | High Performance |
| Color | Black |
| Surface Treatment | Rust-Proof |
| Standard Length | Custom Length |
| Pallet Specification Dimensions | ≥100X100X9 |
| Transport Package | Bundle; Carton/MDF Pallet |
| Specification | MSGLW-335, MSGLW-500, MSGLW-600 |
| Origin | China |
| HS Code | 8431432000 |
| Production Capacity | 3000000 |
| Package Size | 150.00cm * 100.00cm * 50.00cm |
| Package Gross Weight | 1000.000kg |
| Customization | Available |
| Application | Rock Drilling |
| Material | Alloy Steel/Carbon Steel |
| Shipping Cost | Contact the supplier about freight and estimated delivery time. |
| The information you may like to know before order | 1. |
| Category | [Foundation & Anchor Bolts](https://engineeringhardware.com/fastener-products/anchors-construction-fixings/foundation-anchor-bolts/) |

## Technical parameters

| Specification Model | Nominal Diameter (mm) | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation after Fracture (%) | Shank Straightness (mm/m) | Nut Assembly Efficiency Coefficient η | Anchoring Force (kN) | Pallet Bearing Capacity (kN) | Pallet Specification (L×W×T, mm) |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| MSGLD-335/16, 18, 20, 22 | 16 | ≥335 | ≥455 | ≥15 | ≤2 | ≥0.95 | ≥81 | ≥88 | ≥100×100×9 |
| 18 | ≥102 | ≥111 |  |  |  |  |  |  |  |
| 20 | ≥126 | ≥137 |  |  |  |  |  |  |  |
| 22 | ≥153 | ≥165 |  |  |  |  |  |  |  |
| MSGLD-400/16, 18, 20, 22, 25 | 16 | ≥400 | ≥540 | ≥15 | ≤2 | ≥0.95 | ≥96 | ≥105 | ≥100×100×9 |
| 18 | ≥122 | ≥132 |  |  |  |  |  |  |  |
| 20 | ≥151 | ≥163 |  |  |  |  |  |  |  |
| 22 | ≥182 | ≥198 |  |  |  |  |  |  |  |
| 25 | ≥236 | ≥255 |  |  |  |  |  |  |  |
| MSGLD-500/16, 18, 20, 22, 25 | 16 | ≥500 | ≥630 | ≥15 | ≤2 | ≥0.95 | ≥121 | ≥131 | ≥100×100×9 |
| 18 | ≥153 | ≥165 |  |  |  |  |  |  |  |
| 20 | ≥188 | ≥204 |  |  |  |  |  |  |  |
| 22 | ≥228 | ≥247 |  |  |  |  |  |  |  |
| 25 | ≥294 | ≥319 |  |  |  |  |  |  |  |
| MSGLD-335/16, 18, 20, 22, 25 (F) | 16 | ≥335 | ≥455 | ≥15 | ≤2 | ≥0.95 | ≥81 | ≥88 | ≥100×100×9 |
| 18 | ≥102 | ≥111 |  |  |  |  |  |  |  |
| 20 | ≥126 | ≥137 |  |  |  |  |  |  |  |
| 22 | ≥153 | ≥165 |  |  |  |  |  |  |  |
| 25 | ≥197 | ≥214 |  |  |  |  |  |  |  |
| MSGLD-400/16, 18, 20, 22, 25 (F) | 16 | ≥400 | ≥540 | ≥15 | ≤2 | ≥0.95 | ≥96 | ≥105 | ≥100×100×9 |
| 18 | ≥122 | ≥132 |  |  |  |  |  |  |  |
| 20 | ≥151 | ≥163 |  |  |  |  |  |  |  |
| 22 | ≥182 | ≥198 |  |  |  |  |  |  |  |
| 25 | ≥236 | ≥255 |  |  |  |  |  |  |  |
| MSGLD-500/16, 18, 20, 22, 25 (F) | 16 | ≥500 | ≥630 | ≥15 | ≤2 | ≥0.95 | ≥121 | ≥131 | ≥100×100×9 |
| 18 | ≥153 | ≥165 |  |  |  |  |  |  |  |
| 20 | ≥188 | ≥204 |  |  |  |  |  |  |  |
| 22 | ≥228 | ≥247 |  |  |  |  |  |  |  |
| 25 | ≥294 | ≥319 |  |  |  |  |  |  |  |

## Description

Self Drilling Anchor Bar Threaded Hollow Bolts for Mining is part of our foundation & anchor bolts range (Anchors & Construction Fixings).

### Key details

- **Type:** Anchor Bolt
- **Standard:** ISO 9001:2015
- **Material:** Alloy Steel/Carbon Steel
- **Surface Treatment:** Rust-Proof
- **Application:** Rock Drilling
- **Manufacturing Process:** Machining
- **Machine Type:** Drilling Tool
- **Advantage:** High Performance

Available configurations include standard, color, surface treatment, standard length and package size. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

### Ordering through Engineering Hardware & Fasteners

Minimum order is 50 pieces at US$13.80 – 15.60 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 Self Drilling Anchor Bar Threaded Hollow Bolts for Mining?

The listed minimum order is 50 pieces, at US$13.80 – 15.60 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$15.60 for 50–99 pieces; US$13.80 for 100+ pieces. Final prices depend on size, material, finish and packing and are confirmed in your quote.

### What are the main specifications of Self Drilling Anchor Bar Threaded Hollow Bolts for Mining?

Type: Anchor Bolt; Standard: ISO 9001:2015; Material: Alloy Steel/Carbon Steel; Surface Treatment: Rust-Proof; Application: Rock Drilling; Manufacturing Process: Machining. The full specification table and any technical parameter tables are listed on this page.

### Can this product be customized (OEM)?

Listed configurations include standard, color, surface treatment, standard length and package size. 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 foundation & anchor bolts are available?

The Foundation & Anchor Bolts category lists 2,223 products in different sizes, materials and finishes: [https://engineeringhardware.com/fastener-products/anchors-construction-fixings/foundation-anchor-bolts/](https://engineeringhardware.com/fastener-products/anchors-construction-fixings/foundation-anchor-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

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