Features:
- Made of high speed steel material， durable to use
- Spiral screw is suitable for cutting high toughness material
- Easy to drill the bottom
- 7 different sizes to meet your different needs

Specifications:
- M3 diameter: 0.5mm
- M4 diameter: 0.7mm
- M5 diameter: 0.8mm
- M6 diameter: 1.0mm
- M8 diameter: 1.25mm
- M10 diameter: 1.5mm
- M12 diameter: 1.75mm 0.111 Package weight: 0.151 kg
Package Size(L x W x H): 11.00 x 7.00 x 1.00 cm / 4.33 x 2.76 x 0.39 inches Package Contents: 7 x Spiral Hand Thread Tap