Extol 23902 SDS-Plus Concrete Hammer Drill Bits, 4 pcs (6–12 mm, 160 mm)
The Extol 23902 SDS-Plus set contains 4 cemented carbide (SK) hammer drill bits with diameters 6, 8, 10, and 12 mm – all at 160 mm length. This focused set is ideal for deeper drilling into concrete, brick, and stone. The SDS-Plus shank enables quick tool changes, and the double helix design improves chip removal for higher drilling performance. Backed by a 24-month warranty.
Features
- 4-piece set: Ø6, 8, 10, 12 mm × 160 mm.
- Cemented carbide (SK): High strength and wear resistance.
- SDS-Plus shank: Safe, quick attachment to rotary hammers.
- Double helix flutes: Efficient dust removal for deep holes.
- 24-month warranty: Confidence in quality.
Benefits
- All bits at 160 mm – ideal for drilling through standard wall thicknesses.
- Covers most common sizes for professional use.
- Maximises drilling performance in hard materials.
- Warranty provides peace of mind.
Set Contents
- Ø6 × 160 mm – M6 anchor holes in deep walls
- Ø8 × 160 mm – medium fixings, cable passages
- Ø10 × 160 mm – heavy-duty anchors
- Ø12 × 160 mm – large dowels, pipe anchors
Material & Compatibility
- Tip material: Cemented carbide (SK).
- Shank: SDS-Plus.
- Compatible materials: Concrete, reinforced concrete, brick, stone, block.
- Tool compatibility: All SDS-Plus rotary hammers.
Care Instructions
- Withdraw bit every 3–4 cm to clear dust.
- Do not force – let hammer mechanism work.
- Lubricate shank lightly to prevent seizing.
- Store in original packaging or case.
Extol Deep Drilling – Applications
- Through-wall drilling: Plumbing pipes, electrical conduits.
- Deep anchor bolts: Chemical anchors for heavy loads.
- Formwork: Tie holes in concrete forms.
- Ventilation: Duct passages through walls.
Keywords
Extol 23902, SDS-Plus concrete bits 6-12mm, 4-piece hammer drill set, 160mm deep concrete bits, cemented carbide SDS set, Extol warranty 24 months, rotary hammer bits for concrete.