SDS MAX Other Bits and Accessories
SDS Max accessories are designed to expand the power and reach of your heavy-duty rotary hammer or breaker. From core bit adaptors to shaft extensions and pilot bits, these components ensure your SDS Max kit is ready for deeper or specialised jobs.
What Are SDS Max Accessories For?
These tools support and extend SDS Max systems:
- Core Drill Adaptors – Connect SDS Max tools to dry core barrels
- Extensions – Increase drilling depth or reach into large cavities and footings
- Pilot Bits – Help align and guide diamond or TCT coring bits
- Fitment Tools – Fixings, alignment shafts and bit carriers for specific site jobs
Used By:
- Builders and structural contractors
- MEP installers needing deep-core or service penetrations
- Groundworkers and demolition crews using SDS Max breakers
Choosing the Right SDS Max Accessory
Heavy-duty tools require matching parts — SDS Max only:
1. Shank Type
All accessories here are SDS Max (18mm shank) — not compatible with SDS Plus tools or bits.
2. Application Fit
Core adaptors must match thread size (usually 1/2" BSP or UNC). Extensions must lock via SDS Max grooves.
3. Tool Length / Reach
Check the working length needed for slab, footing or wall penetration. SDS Max tools deliver better torque at long reach.
SDS Max Accessory FAQs
Can I use SDS Max accessories in an SDS Plus tool?
No — SDS Max shanks are larger and won’t fit SDS Plus chucks. They also require more torque than Plus drills can provide.
Do I need a pilot bit for core drilling?
Yes — pilot bits help stabilise and guide the core barrel, reducing walking and ensuring clean start alignment.
What threads are used on SDS Max core adaptors?
Most use 1/2" BSP or UNC threads — always check your core barrel to match the correct adaptor thread type.
Are SDS Max extensions universal?
Yes — most SDS Max extensions use standard Max grooves and lengths. Just confirm max RPM rating and lock fit before use.
