Drill bit SDS plus Polax 31-001, 80×400 mm

Polax SDS plus drill bit model 31-001, size 80×400 mm, is designed for rotary and hammer drills with an SDS plus chuck. The bit is intended for drilling accurate holes in concrete, masonry and similar mineral materials. Its flute geometry supports efficient chip evacuation and stable guidance to maintain hole straightness during drilling operations in construction, installation and repair works.

Advantages

The hardened carbide tip and reinforced shank provide wear resistance and maintain cutting performance over extended use. The SDS plus connection enables quick and secure mounting in compatible drills and reduces bit slippage under impact load. Optimized flute design improves dust and debris removal, which decreases binding and allows steady drilling progress in dense materials.

Suitable for

• Drilling anchor and through holes in concrete and reinforced concrete
• Installing anchors, dowels and fixings in masonry
• Preparation of holes for electrical, plumbing or HVAC installations
• Repair and renovation tasks requiring precise, deep holes in mineral substrates

Key specifications

• Overall length: 400 mm
• Working length: 80 mm
• Shank type: SDS plus compatible
• Tip material: carbide-tipped cutting head
• Bore diameter: 80 mm (nominal)
• Intended materials: concrete, masonry and similar mineral substrates

How to use

Secure the bit in an SDS plus chuck according to the drill manufacturer’s instructions. Select the hammer-drill or rotary-hammer mode when working with concrete or masonry. Align the bit perpendicularly to the work surface and apply steady pressure without forcing; allow the tool’s hammering action to perform the cutting. Periodically withdraw the bit to clear dust and debris from the hole and to prevent overheating. Use appropriate personal protective equipment, including eye protection, hearing protection and dust mask.

Usage recommendations

For longest service life, avoid excessive side loads and do not use the bit for rotary-only wood or metal drilling. Match drill settings (impact rate and speed) to the substrate hardness and use correct anchor or fixings sized for an 80 mm bore. Inspect the carbide tip before use and replace the bit if the cutting edges are chipped or worn.