Drill bit AWTools AW42804 — straight shank, weight 46 g

AWTools AW42804 is a straight-shank drill bit engineered for drilling in masonry and stone materials. Constructed from 40CR alloy steel with a carbide tip and two cutting edges, this bit is intended for use with compatible hammer drills and rotary hammers. The double spiral flute design improves debris evacuation and reduces heat buildup, while the grooved SDS+ shank secures the bit in the chuck to minimise accidental release during work.

Advantages

The combination of a carbide tip and two cutting edges delivers reliable penetration and longer cutting life when working with concrete, granite and brick. The 40CR alloy steel body provides toughness and resistance to bending under hammering loads. Double spiral flutes actively remove dust and chips from the hole, helping to maintain drilling efficiency and prevent overheating. The grooved SDS+ shank ensures quick, secure mounting and stable operation in compatible hammer drills and rotary hammers.

Suitable for

• Drilling holes in concrete and reinforced concrete
• Working with natural stone and granite
• Drilling through brick and masonry
• Creating openings in ceramic tiles with appropriate technique
• Use with hammer drills and rotary hammers that accept SDS+ shanks

Key specifications

• Material: 40CR alloy steel body with carbide tip
• Cutting geometry: two cutting edges
• Flute type: double spiral flutes for chip evacuation
• Shank type: grooved SDS+ straight (cylindrical) shank
• Intended materials: masonry, concrete, granite, natural stone, brick, ceramic tiles
• Compatible tools: hammer drills and rotary hammers
• Weight: 46 g

How to use

Secure the AWTools AW42804 drill bit into the tool’s SDS+ chuck following the drill manufacturer’s instructions. For best results on hard materials use the hammer function on a hammer drill or rotary hammer; on delicate ceramic tiles, start at low speed without hammer action or use a guide to prevent slipping. Apply steady pressure and allow the bit’s carbide tip to work without excessive force. Periodically withdraw the bit to clear accumulated debris and reduce heat buildup.

Usage recommendations

Wear appropriate personal protective equipment such as safety goggles, dust mask and hearing protection. Use water cooling or intermittent drilling when working on prolonged or deep holes in masonry to extend bit life. Match the drill mode and speed to the material: use hammer mode for concrete and stone, rotary-only mode for tiles and fragile surfaces.