- Unit Type: lot (5 pieces/lot)
- Package Weight: 0.75kg (1.65lb.)
- Package Size: 15cm x 11cm x 11cm (5.91in x 4.33in x 4.33in)
Cheap cutter round, Buy Quality drill bit for concrete directly from China drilling hole in head Suppliers: 5pcs/set of Triangle handle HSS striaght flute Step Drill Bits Set core drill bit TIN Coated cone Step Drill Bit Set hole cutter
Products Specification:
Item: HSS Step Drill Bit
Material: HSS steel 4241 Color: TIN coating golden color Surface treatment : Titanium plating QTY: 5PCS/SET.
Material: high speed steel 4241 (for use in below 25 degrees of hardness of the workpiece, such as steel, thin plate, insulation board, PVC board, wood, sheet thickness in less than 4mm)
Surface treatment: Tin coating
Packing: plastic bag
Step drill also known as functions of drilling, a straight groove, spiral groove, single slot. White diamond coated drill, drill, colorful, black diamond. A handle, a triangular, six, SDS, and a handle.. According to customer needs, tailored. Welcome new and old customers call us.
3-12mm (3, 5, 7, 9, 12mm) 6mm shank
4-12mm (4, 5, 6, 8, 9, 10, 11, 7, 12mm) 6mm shank
4-20mm (4, 6, 8, 12, 14, 16, 18, 10, 20mm) 8mm shank
4-32mm (4, 6, 8, 10, 12, 16, 18, 20, 22, 24, 26, 28, 30, 32mm) 10mm shank
4-39mm (13steps: 4,6,9,12,15,18,21,24,27,30,33,36,39mm) 10mm handle Application: Ideal for using to cut holes in a variety of materials Including steel,