---
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: "117.19 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Rennie Tool Company"
url: https://www.desertcart.tn/products/78347263-rennie-tools-box-of-10-x-3mm-hss-gold-cobalt
store_origin: TN
region: Tunisia
---

# Set of 10 in a sleek, portable storage case 135° split point for no-walk, fast penetration M35 HSS with 5% Cobalt for extreme durability 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:** 117.19 DT
**Availability:** ✅ In Stock

## Summary

> ⚡ Drill Like a Pro, Finish Like a Boss!

## 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?** 117.19 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/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

- • **Optimized 2-Flute Design:** Fast chip removal and smooth cutting for cleaner holes and less downtime.
- • **135° Split Point Technology:** Eliminates pre-drilling and walking, accelerating your workflow with pinpoint accuracy.
- • **Precision Ground to DIN338 Standards:** Guaranteed dimensional accuracy for flawless, professional-grade drilling every time.
- • **Unmatched Hardness & Heat Resistance:** M35 cobalt alloy steel ensures long-lasting sharpness even under intense heat and tough metals.
- • **Effortless Multi-Material Performance:** Engineered to drill stainless steel, cast iron, aluminium, titanium alloys, plastics, and wood with ease.

## Overview

The Rennie Tools 3mm HSS Gold Cobalt Jobber Drill Bit Set features 10 precision-ground M35 cobalt alloy bits designed for superior hardness, heat resistance, and multi-material versatility. With a 135° split point and optimized 2-flute spiral design, these drill bits deliver fast, accurate penetration and smooth chip removal, all housed in a durable, portable case—perfect for professionals and serious DIYers tackling stainless steel, hard metals, and more.

## Description

Product Description Similiar Products Cobalt Drill Bit Sets 10 x Cobalt Drills Cobalt Blacksmith Drills Cobalt Step Drills 1 x Cobalt Drill

Review: Excellent and recommended drill bits - Excellent. Drilled into metal box lintel with no problems or bending. Sharp and very sturdy. Says made in UK on the box, which is very rare nowadays.
Review: Great quality and value - Excellent value and very efficient drill bits

## 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 |
| Best Sellers Rank | 891 in DIY & Tools ( See Top 100 in DIY & Tools ) 2 in Jobber Drill Bits |
| Brand | Rennie Tool Company |
| Country Of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 2,621 Reviews |
| Cutting Angle String | 135 Degrees |
| Cutting Diameter | 3 Millimetres |
| Cutting angle string | 135 Degrees |
| Cutting diameter | 3 Millimetres |
| Finish Types | Gold,Hss,Stainless Steel |
| Finish type | Gold,Hss,Stainless Steel |
| Manufacturer | Rennie Tool Company |
| Manufacturer Part Number | BOX10COBJOBBER |
| Material | Alloy Steel with Cobalt |
| Model Number | 11cc70ee-a4d4-450f-bc91-04f3f81b7685 |
| Number of Flutes | 2 |
| Number of Pieces | 10 |
| Point Style | Split Point |
| Shank Type | Straight |
| Shank type | Straight |
| Surface Recommendation | Metal |
| Tool Flute Length | 33 Millimetres |
| Tool Flute Type | Spiral |
| Unit Count | 10 count |

## 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

### ⭐⭐⭐⭐⭐ Excellent and recommended drill bits
*by C***T on 1 July 2026*

Excellent. Drilled into metal box lintel with no problems or bending. Sharp and very sturdy. Says made in UK on the box, which is very rare nowadays.

### ⭐⭐⭐⭐⭐ Great quality and value
*by G***S on 8 June 2026*

Excellent value and very efficient drill bits

### ⭐⭐⭐⭐ 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 Tunisia*
*Store origin: TN*
*Last updated: 2026-08-14*