SDS Plus Drill Bits factory Specification: Material: 40Cr and original YG8C Shank: SDS PLUS Flute: double flutes S4 Tip: Cross Tips / 4 Cutters Drill body hardness: HRC45 to HRC48 Carbide Hardness: HRC89.5-90.5 Diameter: 6/8/10/12/14mm Length: 110/160/210/260/400/500/600/700mm High Helix Masonry Drill Bit high quality masonry High helix masonry drill bitss Product Parameter ficationMOQ (piece/pieces)Single box numbercarton size(length)carton size(breadth)carton size(height) roughweight 5脳160100020034241210 6脳160100020034241211 8脳160100020034241212 10脳160100020034241315 12脳160100020034241317 14脳160100020034241320 16脳160100020034241323 Main Products Product Description Company Information Certifications ExhibitionSDS Plus Drill Bits factory website:http://www.yuerongtool.com/drill-bit/sds-plus-drill-bits/