The twist drill bit is used with electrical drilling machine
3pcs x Screw
Convex Outside Diameter: 220mm
No-load speed: 23000RPM 5/100
Color: Brown + Red + Orange
1mmx10mmx80mm Extended Tension Spring ,3.3Lbs Load Capacity,Grey 4pcs 75x69.7x47.5mm The twist drill bit isDescription: 1. Spring steel material,dual hook. 2. Tension spring can be used in many occasions, such as production and assembly, experiment, research and development, maintenance, etc.. 3. Spring in the international market occupies an important position, are widely used, computers, electronics, automotive, and other field. Specification: Product Name: Tension Spring Type: Dual hook Free Length: 80mm 3. 1" Spring Size( Outer Diameter): 10mm 0.