Extol 23901

Extol 23901 SDS-Plus Concrete Hammer Drill Bits, 6 pcs (5–12 mm)

The Extol 23901 SDS-Plus set contains 6 cemented carbide (SK) hammer drill bits for concrete, with diameters from 5 mm to 12 mm. Bits of 5, 6, and 8 mm have a 110 mm working length; 8, 10, and 12 mm come in 160 mm length. The double helix design ensures effective chip evacuation, while the SDS-Plus shank provides quick, tool-free changes. This set is designed for demanding construction and renovation work.

Features

• 6-piece set: Ø5, 6, 8 mm (110 mm); Ø8, 10, 12 mm (160 mm).
• Cemented carbide (SK): High wear resistance and long life.
• SDS-Plus shank: Quick, secure fit in rotary hammers.
• Double helix flutes: Effective chip removal, higher drilling performance.
• Demanding applications: Construction, renovation, industrial use.

Benefits

• Two lengths cover shallow and deep holes.
• Durable carbide withstands rebar impact.
• Less downtime for bit changes.
• Fits all SDS-Plus rotary hammers (Bosch, Makita, DeWalt, Hilti, etc.).

Set Contents

• Ø5 × 110 mm – small anchors and pilot holes
• Ø6 × 110 mm – common wall plugs
• Ø8 × 110 mm – medium fixings
• Ø8 × 160 mm – deeper medium holes
• Ø10 × 160 mm – heavy-duty anchors
• Ø12 × 160 mm – large dowels and pipe anchors

Material & Compatibility

• Tip material: Cemented carbide (SK – slinutý karbid).
• Shank: SDS-Plus (DIN 8035).
• Compatible materials: Concrete, reinforced concrete, brick, block, natural stone, granite.
• Tool compatibility: All SDS-Plus rotary hammers (2–5 kg class).

Care Instructions

• Clear dust from flutes every 2–3 cm of depth.
• Use dust extraction for indoor drilling.
• Do not exceed recommended RPM for bit diameter.
• Store in dry place to prevent shank rust.

Extol SDS-Plus – Applications

• Construction: Anchor bolts for structural steel.
• Renovation: Drilling for rebar dowels and chemical anchors.
• Electrical/Plumbing: Conduit passages through concrete walls.
• Roadwork: Drilling into cured concrete barriers.

Keywords

Extol 23901, SDS-Plus concrete drill bits, 6-piece hammer drill set, cemented carbide bits 5-12mm, Extol SDS set, double helix concrete bits, rotary hammer drill set.