Drill bit AWTools AW43512 — high-speed steel twist bit, model AW43512

AWTools AW43512 is a twist drill bit designed for general-purpose and heavy-duty drilling in hard materials. The bit combines a 40CR alloy steel body with a YG8C carbide-tipped blade and a centering point with a 130° point angle to provide accurate starts and extended wear resistance. Its double-spiral flute design supports efficient removal of debris, helps control heat build-up and reduces vibration during operation. The grooved SDS+ shank secures the bit in hammer drills and rotary hammers, while four cutting edges improve cutting stability and reduce the risk of jamming when encountering rebar.

Advantages

The AWTools AW43512 offers a carbide-tipped cutting edge for enhanced hardness and abrasion resistance compared with standard HSS bits. The 130° centering point improves drilling accuracy and helps prevent walking on the workpiece. Double spiral flutes ensure reliable chip evacuation and thermal management during continuous use. A grooved SDS+ shank provides secure retention in compatible hammer drills and rotary hammers, and four cutting edges produce smoother holes and reduce binding in reinforced materials.

Suitable for

• Drilling holes in concrete and reinforced concrete
• Drilling through rebar and brick
• Use with hammer drills and rotary hammers for construction and renovation tasks
• Workshop tasks requiring durable carbide-tipped twist bits

Key specifications

• Body material: 40CR alloy steel
• Cutting tip: YG8C carbide
• Point angle: 130° centering point
• Flute design: double spiral for chip evacuation
• Cutting geometry: four cutting edges
• Shank type: grooved SDS+ shank for secure retention
• Intended materials: concrete, reinforced concrete, rebar, brick and other hard materials
• Compatible tools: hammer drills and rotary hammers

How to use

Install the AWTools AW43512 into a compatible hammer drill or rotary hammer by inserting the grooved SDS+ shank until it locks in place according to the tool manufacturer’s instructions. Select the appropriate drill speed and hammer mode for the target material; start drilling with light pressure to establish the centering point, then apply steady force while allowing the bit to clear chips from the hole. Periodically withdraw the bit to remove debris and prevent overheating during extended drilling sessions. For reinforced concrete or rebar, use controlled advances to avoid excessive impact on the carbide tip.

Usage recommendations

Use suitable personal protective equipment, including eye protection and hearing protection, when drilling. Match the drill mode and speed to the material: hammer action for concrete and reinforced concrete, rotary-only for softer masonry where appropriate. Replace the bit if excessive wear or damage to the carbide tip is observed to maintain drilling quality and safety.