Description
- Technical parameters of drill bits for metal: ø1.5mmx1, ø2mmx1, ø2.5mmx1, ø3mmx1, ø3.2mmx1 ø3.5mmx1, ø4mmx1, ø4.5mmx1, ø4.8mmx1, ø5mmx1, ø5.5mmx1, ø6mmx1, ø6.5mmx1. Material: M35 HSS Cobalt. Range of use: High Carbon Steel, Stainless Steel, Aluminum Alloy, Carbon Steel, Special Hard Material Etc
- Technical parameters of drill chuck conversion: Adjustable Range ø0.3mm-ø6.5mm, Ø22mm, H 29mm, Hexagonal Rod 1/4", Ø3/8, L 58mm, Material: Aluminium alloy. Range of use: manual or electric drill
- Special technology of drill drill bits cobalt: 130ºangle double rear tip drill cutting very easy and reduce abrasion, 38ºhelical big angle increases the space to discharge the chippings
- Note: when the drill is running at high speed use cold water or oil to maintain low temperature and extend the service life of drill bits and also according to the different size please select drill rotation speed most suitable.(ø1mm-ø2mm 3000-1800rpm, ø2mm-ø3mm 1800-1400rpm, ø3mm-ø4mm 1400-1000rpm, ø4mm-ø5mm 1000-800rpm, ø5mm-ø6mm 800-700rpm, ø6mm-ø7mm 700-600rpm)
Characteristic Special technology of drill bits have 130ºangle double rear tip drill cutting very easy and reduce abrasion, 38ºhelical big angle increases the space to discharge the chippings Drill chuck adaptor is suitable for drilling different electric or manual Package includes 13x Drill bits sets metal professional cobalt( ø1.5mmx1, ø2mmx1, ø2.5mmx1, ø3mmx1, ø3.2mmx1 ø3.5mmx1, ø4mmx1, ø4.5mmx1, ø4.8mmx1, ø5mmx1, ø5.5mmx1, ø6mmx1, ø6.5mmx1) 1x Drill chuck conversion 1x Hexagonal Rod 1/4" 1x Plastic storage box
