---
product_id: 78347263
title: "Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 3mm Drill Bit Set"
brand: "rennie tool company"
price: "A$28"
currency: AUD
in_stock: true
reviews_count: 13
category: "Rennie Tool Company"
url: https://www.desertcart.com.au/products/78347263-rennie-tools-box-of-10-x-3mm-hss-gold-cobalt
store_origin: AU
region: Australia
---

# 135° split point for faster, precise penetration M35 HSS with 5% Cobalt for extreme hardness 2-flute design for rapid chip removal Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 3mm Drill Bit Set

**Brand:** rennie tool company
**Price:** A$28
**Availability:** ✅ In Stock

## Summary

> ⚡ Drill Like a Pro, Last Like a Legend!

## Quick Answers

- **What is this?** Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 3mm Drill Bit Set by rennie tool company
- **How much does it cost?** A$28 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/78347263-rennie-tools-box-of-10-x-3mm-hss-gold-cobalt)

## Best For

- rennie tool company enthusiasts

## Why This Product

- Trusted rennie tool company brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Organized & Ready:** Comes in a sleek, compact storage case keeping your 10-piece 3mm drill bits secure and accessible for any project.
- • **Unmatched Durability:** Crafted from premium M35 alloyed HSS steel with 5% cobalt for superior heat resistance and longevity.
- • **Precision Engineering:** Manufactured to DIN338 standards ensuring exact dimensions and flawless fit for professional-grade results.
- • **Versatile Performance:** Perfect for stainless steel, hardened metals, aluminium, titanium alloys, plastics, and wood—your all-in-one metal drilling solution.
- • **Effortless Penetration:** 135° split point design eliminates pre-drilling, prevents walking, and accelerates drilling speed.

## Overview

The Rennie Tools 10-piece 3mm HSS Gold Cobalt Jobber Drill Bit Set is engineered for professionals and DIYers tackling tough metals like stainless steel, cast iron, and titanium alloys. Made from high-grade M35 alloyed steel with 5% cobalt, these bits deliver exceptional hardness, heat resistance, and precision. Featuring a 135° split point for fast, accurate drilling without pre-punching, and a 2-flute design for efficient chip removal, this set ensures smooth, durable performance across a wide range of materials. Supplied in a compact storage case, it’s the ultimate drill bit set for demanding metalworking tasks.

## Description

Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 3mm Drill Bit Set : desertcart.co.uk: DIY & Tools

Review: Really sharp and clean cut hole. - Really good product I have drilled 58 holes in 5mm steel and only used two drills. Well worth the money and will bye again.
Review: Quality products - Great quality product from Rennie. Have bought from them in the past and as usual good value for money. Recommended.

## Features

- For drilling particularly tough or hard metal drilling applications such as stainless steel, hardened metal, cast iron, Cr-Ni and special acid resistant steels. Also work very well on standard metals / steels, RSG, aluminium, high temperature alloy, titanium alloy, non ferrous metals, plastics and wood.
- All our cobalt drill bits are manufactured from high grade M35 alloyed HSS steel with 5% Cobalt content and are fully ground from solid material.
- This cobalt drill bit set is manufactured to DIN338 specifications and they are dimensionally precise. These HSSCO HSS drill bits can be used in pillar drills, handheld electric drills, battery powered drills etc and can also be used in CNC machines
- 135° split point from 3mm and above eradicates the need to pre-drill or centre punch. Prevents walking and enables faster penetration.
- Our high-quality M35 HSS drill bits for metal offer exceptional hardness, heat resistance, and durability. Our 2 flute design is optimised for fast chip removal and smooth cutting. This pack of 10 cobalt jobber drills are supplied in a plastic storage case. These are ideal for professionals, DIY enthusiasts and home improvement enthusiasts

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DM1M837 |
| Batteries Required? | No |
| Batteries included? | No |
| Best Sellers Rank | 774 in DIY & Tools ( See Top 100 in DIY & Tools ) 3 in Drill Bit Sets |
| Colour | Gold |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,539) |
| Date First Available | 7 Jun. 2018 |
| Finish | Gold,Hss,Stainless Steel |
| Item Weight | 40 g |
| Item model number | 11cc70ee-a4d4-450f-bc91-04f3f81b7685 |
| Manufacturer | Rennie Tool Company |
| Material | Alloy Steel with Cobalt |
| Number of Pieces | 10 |
| Package Dimensions | 9 x 5.2 x 0.7 cm; 40 g |
| Part number | BOX10COBJOBBER |
| Size | 3mm x 63mm Cobalt Jobber Drills |

## Product Details

- **Cutting angle string:** 135 Degrees
- **Cutting diameter:** 3 Millimetres
- **Finish type:** Gold,Hss,Stainless Steel
- **Material:** Alloy Steel with Cobalt
- **Shank type:** Straight

## Images

![Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 3mm Drill Bit Set - Image 1](https://m.media-amazon.com/images/I/61GCNm8WQXL.jpg)
![Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 3mm Drill Bit Set - Image 2](https://m.media-amazon.com/images/I/61JayOPakBL.jpg)
![Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 3mm Drill Bit Set - Image 3](https://m.media-amazon.com/images/I/51hLVH4Je7L.jpg)
![Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 3mm Drill Bit Set - Image 4](https://m.media-amazon.com/images/I/61jDst73ykL.jpg)
![Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 3mm Drill Bit Set - Image 5](https://m.media-amazon.com/images/I/61gEqURPRPL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Really sharp and clean cut hole.
*by B***. on 23 November 2025*

Really good product I have drilled 58 holes in 5mm steel and only used two drills. Well worth the money and will bye again.

### ⭐⭐⭐⭐⭐ Quality products
*by D***Y on 30 December 2025*

Great quality product from Rennie. Have bought from them in the past and as usual good value for money. Recommended.

### ⭐⭐⭐⭐ Good quality
*by A***S on 14 October 2025*

Excellent service and great price, only used once so far and went through like butter. Good quality.

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-20*