Product name: Step Drill Bit Set
Product material: High speed steel(4241/6542/M35)
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Product Spesification
| NO | SHK | CED | Groove profile | Each step | OVL |
| krxcncs7-1-1 | 6 | 12-Apr | straight | 7.5 | 64 |
| krxcncs7-1-2 | 8 | 20-Apr | straight | 4.5 | 75 |
| krxcncs7-1-3 | 10 | Apr-32 | straight | 4 | 100 |
| krxcncs7-1-4 | 6 | 12-Apr | spiral | 7.5 | 64 |
| krxcncs7-1-5 | 8 | 20-Apr | spiral | 4.5 | 75 |
| krxcncs7-1-6 | 10 | Apr-32 | spiral | 4 | 100 |
| krxcncs7-1-7 | 6 | 12-Apr | straight | 7.5 | 64 |
| krxcncs7-1-8 | 8 | 20-Apr | straight | 4.5 | 75 |
| krxcncs7-1-9 | 10 | Apr-32 | straight | 4 | 100 |
| krxcncs7-1-10 | 6 | 12-Apr | spiral | 7.5 | 64 |
| krxcncs7-1-11 | 8 | 20-Apr | spiral | 4.5 | 75 |
| krxcncs7-1-12 | 10 | Apr-32 | spiral | 4 | 100 |
| krxcncs7-1-13 | 6 | 12-Apr | straight | 7.5 | 64 |
| krxcncs7-1-14 | 8 | 20-Apr | straight | 4.5 | 75 |
| krxcncs7-1-15 | 10 | Apr-32 | straight | 4 | 100 |
| krxcncs7-1-16 | 6 | 12-Apr | spiral | 7.5 | 64 |
| krxcncs7-1-17 | 8 | 20-Apr | spiral | 4.5 | 75 |
| krxcncs7-1-18 | 10 | Apr-32 | spiral | 4 | 100 |
Product application:
HSS 4241: Suitable for hardness below 25° workpiece, such as iron plate, aluminum plate, PVC board.
HSS 6542: Suitable for hardness below 28° workpiece, such as iron plate, aluminum plate, sheet metal, copper plate.
HSS M35: Suitable for thinner 304 stainless steel, carbon steel, iron plate, aluminum plate, copper plate, plastic and other materials.
Product advantages:
1, High quality material selection, a variety of material types, to meet the needs of different operations.
2, A drill can open a variety of sizes of aperture.
3, Can be chamfered and round hole, complete twist drill can not complete the function.
4, 118° opening design effectively reduces bit slip.
