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> 1MM to 2.5MM diamond coated drill hole twist bit 20PCS
1MM to 2.5MM diamond coated drill hole twist bit 20PCS
Assorted 20 pieces of 1mm to 2.5mm diamond coated twist drill bits. Please check the sizes as below. 5 pieces each size and total 20 pieces. ALL working length is diamond coated, more long lasting. Suitable for glass, marble, tile or rock. Please add some water when drill a hole.
1mm twist bit, 1mm shank, 10mm working length, 30mm total length
1.5mm twist bit, 1.5mm shank, 19mm working length, 38mm total length
2mm twist bit, 2mm shank, 19mm working length, 42mm total length
2.5mm twist bit, 2.5mm shank, 26mm working length, 55mm total length
