
9 Pieces Rotary Hammer Drill Bits Set: 5 mm, 6 mm, 6 mm, 8 mm, 8 mm, 10 mm, 12 mm, 14 mm, 16 mm x 160 mm. The length of the drill bits is 100 mm, so you can drill all common dowel holes. (In order to protect your machine and personal safety, please do not use a three-claw hand drill to drill holes) High-quality material: HPMAISON SDS-Plus rotary hammer drill bit set is made of high-quality carbide steel, which is durable and rust-proof. The tungsten carbide-tipped drill head is harder, stronger and more resistant to extreme loads. Cross-section drill bits with X-shaped head: The hammer drill bit set features an X-shaped geometry with a cross-section flute for optimal disassembly and ease of use. Fully hardened drill bit with a double-flute spiral for efficient waste removal. 【SDS-Plus Shank】 2-hole SDS-Plus hammer drill bit for concrete, granite, stone. It allows for optimal removal of dust and debris thanks to the rounded spiral geometry, more efficiently. Widely used and applied: