Extol 25048

Extol 25048 Concrete Hammer Drill Bits, 6 pcs (5–12 mm, 2 lengths)

The Extol 25048 set includes 6 concrete hammer drill bits in sizes from 5 mm to 12 mm, made from high-quality SK cemented carbide for high wear resistance and long service life. Smaller diameters (5, 6, 8 mm) have 110 mm length; larger diameters (8, 10, 12 mm) are 160 mm long. Special geometry and surface treatment ensure optimal power transfer and minimise jamming. Suitable for both professional and home use.

Features

• 6-piece set: Ø5, 6, 8 mm (110 mm); Ø8, 10, 12 mm (160 mm).
• SK cemented carbide: High-quality sintered carbide for durability.
• Special geometry: Optimised power transfer, reduced jamming risk.
• Surface treatment: Enhanced performance in intensive hammer drilling.
• Versatile use: Professional construction or home DIY.

Benefits

• Handles both shallow and deep drilling tasks.
• Minimises bit binding and breakage.
• Long service life reduces replacement frequency.
• Covers all common anchor diameters.

Set Contents

• Ø5 × 110 mm – small pilot and anchor holes
• Ø6 × 110 mm – standard wall plug size
• Ø8 × 110 mm – medium fixings (shallow)
• Ø8 × 160 mm – medium fixings (deep)
• Ø10 × 160 mm – heavy-duty anchors
• Ø12 × 160 mm – large dowels and pipe anchors

Material & Compatibility

• Tip material: SK cemented carbide (sintered carbide).
• Shank type: Cylindrical with flattened sides for impact drills, or SDS-Plus – check packaging.
• Compatible materials: Concrete, masonry, stone, hard brick.
• Tool compatibility: Hammer drills and impact drills with standard chuck.

Care Instructions

• Use steady, firm pressure – not excessive force.
• Clear dust regularly to prevent overheating.
• Allow bits to cool between multiple deep holes.
• Store in dry place, avoid dropping on hard surfaces.

Extol Hammer Bits – Applications

• Construction: Anchor installation, rebar dowels.
• Renovation: Removing old fixtures, drilling for new ones.
• Home repairs: Mounting shelves, cabinets, curtain rails.
• Industrial: Drilling into precast concrete elements.

Keywords

Extol 25048, concrete hammer drill bits 5-12mm, 6-piece concrete bit set, SK carbide bits, impact drill bits for concrete, Extol masonry set, professional hammer drill bits.