[DETAIL] Product Specification: Tip Material:YG8C Carbide Steel Body Material:40Cr Carbide Steel Shank Type: SDS Plus Overall Length: approx. 400mm Size:8mm,10mm,12mm,14mm,16mm,18mm,20mm,22mm,25mm,26mm,28mm,30mm Product Feature: Carbide tipped cross head drill bits, features precision cutting tips for quick, smooth cut and finish Twin spiral, drilling efficiency, high precision Long lasting life and features 4 cutting edges for hard masonry materials Double pit double slot and round shank for efficient waste removal Use by electric drills and drilling machines Suitable for clinker, concrete, brick, natural or artificial stone Note: Please allow 1-2mm errors difference due to manual measurement. [ATTRIBUTES] - Hign-concerned Chemical: None - Origin: Mainland China - Certification: None - Hign-concerned Chemical: None - Origin: Mainland China - Certification: None - DIY Supplies: TiLing - Material: Carbide - Type: Gun Drill Bit - Use: Masonry Drilling - Length: 400mm - Shank Type: SDS PLUS - Specification: 8mm-30mm