MILWAUKEE Rotary Hammer Drill: 1 1/8 in Drill Bit Size, 17 in Max Drilling Dp
The MILWAUKEE Spline Concrete & Masonry Drill Bit (MPN 48-20-4390) is a 1 1/8 in drill bit size rotary hammer drill bit with a 17 in max drilling depth and 22 in overall length. 3G Electric interprets customer demand…
SKU 3G-OTH-204238
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Product Description
The MILWAUKEE Spline Concrete & Masonry Drill Bit (MPN 48-20-4390) is a 1 1/8 in drill bit size rotary hammer drill bit with a 17 in max drilling depth and 22 in overall length. 3G Electric interprets customer demand and delivers this genuine industrial equipment across 14 departments — and far more — with specialist depth in combustion, pumps and controls as an authorised distributor.
Frequently Asked Questions
What is the MILWAUKEE 48-20-4390 rotary hammer drill bit used for?
This MILWAUKEE spline concrete and masonry drill bit is designed for heavy-duty drilling into concrete, brick, and block. It is commonly used in construction, renovation, and industrial maintenance applications where precise, deep holes are required in hard materials.
What are the specifications of the MILWAUKEE 48-20-4390 rotary hammer drill bit?
The MILWAUKEE 48-20-4390 is a spline concrete and masonry drill bit with a 1 1/8 in drill bit size, 17 in maximum drilling depth, and 22 in overall length. It is designed for use with spline-drive rotary hammers and is manufactured by MILWAUKEE.
Where to buy MILWAUKEE 48-20-4390 rotary hammer drill bits worldwide?
3G Electric supplies and delivers the MILWAUKEE 48-20-4390 rotary hammer drill bit worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to ensure your order arrives at your facility, wherever it is located.
How to select the correct MILWAUKEE spline drill bit for a rotary hammer?
To select the correct MILWAUKEE spline drill bit, match the shank type to your rotary hammer's drive system (spline), and choose a bit size and length that meet your hole diameter and depth requirements. For the 48-20-4390, ensure your hammer accepts 1 1/8 in bits with a 17 in drilling depth.
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3G Electric supplies MILWAUKEE spline concrete & masonry drill bits. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.













