Product Name: HSS Step Drill for Drilling with Tin Coated Model NO.: SSAS Usage: metal Drilling Material: High Speed Steel Type: Core Drill Bit Length: Other Customized: Customized Applications: Building and Industrial Condition: New Classification: HSS Coating: Tin Trademark: CHTOOLS Transport Package: Plastic Box, Transparent Plastic Box Specification: 68mm Origin: China HS Code: 8207509000 Product Description HSS step drill for drilling with TiN coated1. Made of high quality high speed steel.2. Various sizes are available upon request.3. TiALN, TiN coating are available.4. Spiral flute.TYPESIZE (Metric)Overall LengthSSAS-1014,6,8,10,1265SSAS-1114,6,8,10,1265SSAS-1024,5,6,7,8,9,10,11,1265SSAS-1124,5,6,7,8,9,10,11,1265SSAS-1034,6,8,10,12,14,16,18,2075SSAS-1056,8,10,12,14,16,18,20,22,24,26,28,3098SSAS-1046,9,13,16,19,21,23,26,29,32,35,38100SSAS-1136,8,10,12,14,16,1868SSAS-1067,10.5,12.5,14.5,16.5,18.5,20.5,23.5,25.5,30.5,32.5,38.5,40.5115SSAS-1105,7,9,11,13,15,17,19,21,23,2585SSAS-1144,6,8,10,12,14,16,18,20,2281SSAS-1155,7.5,10,13,16,19,21,23,26,29,31,33,35104