



AMD-1.0 High-Speed Steel Step Drill Bit Φ1.0×72mm*1
Product Specifications
Self-buffering design.
Suitable for drilling and tapping holes in cast iron, light metals, synthetic resins, wood, and other materials.

5-Piece Twist Drill Bit Set
CNÂ¥21.78
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Yi Tiao Fen Xin Zuan [6mm], 1 Piece
CNÂ¥11.90
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Tilted eccentric drill bit [10mm] 1 piece
CNÂ¥20.90
Models AMD 2.9 and below do not have X-type cross-cutting edges.
| Model | Diameter (mm) | Flute Length (mm) | Total Length (mm) | Packaging Size (mm) | Product No. |
|---------|----------------|-------------------|-------------------|---------------------|-------------|
| AMD-1.0 | 1.0 | 22 | 12 | 165 x 35 x 8 | AMD-1.0 |
| AMD-1.2 | 1.2 | 26 | 16 | 165 x 35 x 8 | AMD-1.2 |
| AMD-1.5 | 1.5 | 24 | 18 | 165 x 35 x 8 | AMD-1.5 |
| AMD-1.6 | 1.6 | 26 | 20 | 165 x 35 x 8 | AMD-1.6 |
| AMD-1.8 | 1.8 | 29 | 22 | 165 x 35 x 8 | AMD-1.8 |
| AMD-2.0 | 2.0 | 32 | 24 | 165 x 35 x 8 | AMD-2.0 |
| AMD-2.1 | 2.1 | 32 | 24 | 165 x 35 x 8 | AMD-2.1 |
| AMD-2.2 | 2.2 | 36 | 27 | 165 x 35 x 8 | AMD-2.2 |
| AMD-2.3 | 2.3 | 36 | 27 | 165 x 35 x 8 | AMD-2.3 |
| AMD-2.4 | 2.4 | 40 | 30 | 165 x 35 x 8 | AMD-2.4 |
| AMD-2.5 | 2.5 | 40 | 30 | 165 x 35 x 8 | AMD-2.5 |
| AMD-2.6 | 2.6 | 40 | 30 | 165 x 35 x 8 | AMD-2.6 |
| AMD-2.7 | 2.7 | 44 | 33 | 165 x 35 x 8 | AMD-2.7 |
| AMD-2.8 | 2.8 | 44 | 33 | 165 x 35 x 8 | AMD-2.8 |
| AMD-2.9 | 2.9 | 44 | 33 | 165 x 35 x 8 | AMD-2.9 |
| AMD-3.0 | 3.0 | 44 | 33 | 165 x 35 x 8 | AMD-3.0 |
| AMD-3.1 | 3.1 | 44 | 36 | 165 x 35 x 8 | AMD-3.1 |
| AMD-3.2 | 3.2 | 48 | 36 | 165 x 35 x 8 | AMD-3.2 |
| AMD-3.3 | 3.3 | 48 | 36 | 165 x 35 x 8 | AMD-3.3 |
| AMD-3.4 | 3.4 | 53 | 39 | 165 x 35 x 8 | AMD-3.4 |
| AMD-3.5 | 3.5 | 53 | 39 | 165 x 35 x 8 | AMD-3.5 |
| AMD-3.6 | 3.6 | 53 | 39 | 165 x 35 x 8 | AMD-3.6 |
| AMD-3.7 | 3.7 | 53 | 39 | 165 x 35 x 8 | AMD-3.7 |
| AMD-3.8 | 3.8 | 58 | 43 | 165 x 35 x 8 | AMD-3.8 |
| AMD-3.9 | 3.9 | 58 | 43 | 165 x 35 x 8 | AMD-3.9 |
| AMD-4.0 | 4.0 | 58 | 43 | 165 x 35 x 8 | AMD-4.0 |
| AMD-4.1 | 4.1 | 58 | 43 | 165 x 35 x 8 | AMD-4.1 |
| AMD-4.2 | 4.2 | 58 | 43 | 165 x 35 x 8 | AMD-4.2 |
| AMD-4.3 | 4.3 | 63 | 44 | 165 x 35 x 8 | AMD-4.3 |
| AMD-4.4 | 4.4 | 63 | 47 | 165 x 35 x 8 | AMD-4.4 |
| AMD-4.5 | 4.5 | 63 | 47 | 165 x 35 x 8 | AMD-4.5 |
| AMD-4.6 | 4.6 | 63 | 47 | 165 x 35 x 8 | AMD-4.6 |
| AMD-4.7 | 4.7 | 69 | 47 | 165 x 35 x 8 | AMD-4.7 |
| AMD-4.8 | 4.8 | 69 | 52 | 165 x 35 x 8 | AMD-4.8 |
| AMD-4.9 | 4.9 | 70 | 52 | 165 x 35 x 8 | AMD-4.9 |
| AMD-5.0 | 5.0 | 69 | 52 | 165 x 35 x 8 | AMD-5.0 |
| AMD-5.2 | 5.2 | 69 | 52 | 165 x 35 x 8 | AMD-5.2 |
| AMD-5.5 | 5.5 | 76 | 57 | 165 x 35 x 8 | AMD-5.5 |
| AMD-5.8 | 5.8 | 76 | 57 | 165 x 35 x 8 | AMD-5.8 |
| AMD-6.0 | 6.0 | 76 | 57 | 165 x 35 x 8 | AMD-6.0 |
14-piece twist drill set in a portable dedicated box.
Suitable for drilling in cast iron, light metals, synthetic resins, wood, and other materials.
Drill bit should be perpendicular (90°) to stainless steel plate during drilling.
Start drilling slowly to avoid impact; slow down when approaching breakthrough.
Use a center punch to mark drilling position to prevent bit wandering.
Do not use with impact drivers.
Avoid damaging the drill bit or scattering chips.
Always wear safety goggles.
Keep hands and face away from rotating cutting edges and chips.

10*160mm round handle, ten pieces
CNÂ¥83.70