Diamond Core Drill Bits 1set/9pcs Marble Ceramic Granite Hole Saw M14 Thread. 6/6/8/20/35/50/68mm Core Bits +20mm Finger Bit+50mm Chamfer. Diamond Drilling Bits Diameter 6/6/8/20/35/50/68mm, Diamond height 10mm, Total length 60mm. Diamond Milling Bit Diameter 20mm, Working length 50mm, Total Length 65mm, Grit #50/60. Diamond Chamfer Bit Diameter 50mm, Working length 46mm, Total length 55mm, Top Angle 60°, Grit #80. Item: SHDIATOOL Diamond Drilling Milling Bits Kit. Quantity: 9pcs, with Aluminum Box. Multifunction: Drilling+Milling+Chamfering Kit, meet different working needs. Vacuum brazed technology provides longer service life. With Aluminum box, easy to carry and preserve. We are there for you – if you have any questions or doubts, we are waiting for your message. NORTHERN IRELAND, SOUTHERN IRELAND, SCOTTISH HIGHLANDS, ISLE OF MAN, ISLE OF WIGHT, SCILLY ISLES. Scottish Highlands: FK17-22, G83, IV1-28, IV33-39, KW1-3, KW5-14, PA21-33, PA35-40, PH18-26, PH30-42. Scottish Islands: HS1-9, IV40-51, IV55-56, KA27, KA28, KW15-17, PA20, PA34, PA41-48, PA60-78, PH42-44. Aberdeen: AB all, DD7-11, IV30-32. Islands: GY – Guernsey, IM – Isle Of Man, JE – Jersey, PO30-41 – Isle Of Wight. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.