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| Size | Step | Incremental | Length | Shank |
| MM | MM | MM | MM | MM |
| 3/16"--1/2" | 6 | 1/16" | 3-1/8" | 1/4" |
| 1/8-1/2”,3/16-1/2“,3-12mm,4-12mm | 13 | 1/32" | 3-1/8" | 1/4" |
| 1/4"--3/4" | 9 | 1/16" | 2-3/4" | 3/8" |
| 3/16"--7/8" | 12 | 1/16" | 2-3/4" | 3/8" |
| 7/16"--1-1/8" | 12 | 1/16" | - | 3/8" |
| 1/4"--1-1/2" | 11 | 1/16" | - | 1/2" |
| 1/2"--1" | 9 | 1/16" | - | 3/8" |
| 9/16"--1" | 8 | 1/16" | - | 3/8" |
| 3/4"--1-3/8" | 11 | 1/16" | - | 1/2" |
| 13/16"--1-3/8" | 10 | 1/16" | - | 1/2" |
| 4--12mm | 5 | 2mm | 66mm | 6mm |
| 4--12mm | 9 | 1mm | 66mm | 6mm |
| 4--20mm | 9 | 2mm | 75mm | 8mm |
| 4--22mm,3/16-7/8“ | 10 | 2mm | 79mm | 8mm |
| 4-30MM 6-30 5-35 | 14 | 2mm | 100mm | 10mm |
| 1/4-1/3/8,5-30# | ||||
| 4--39mm,6--39mm | 14 | - | - | 10mm |
| 5--35mm | 13 | - | - | 13mm |
| 6--18mm | 7 | 2mm | - | 10mm |
| 6#-20MM,4#-20MM,1/4-3/4 | 8 | 2mm | - | 10mm |
| 6--24mm | 10 | 2mm | - | 10mm |
| 6--32mm | 8 | - | - | 10mm |
| 14--24mm | 6 | 2mm | - | 13mm |
| 14--25mm | 7 | - | - | 13mm |
| 20--34mm | 8 | 2mm | - | 13mm |
| 10--20mm | 11 | 1mm | 85mm | 10mm |
| 20--30mm | 11 | 1mm | 88mm | 13mm |
Step drill bits