Detail Mata Bor Pagoda Multi Step Cone Tangga Payung Titanium 4-12 _ 5step
**Spesifikasi: Material: High-Speed Steel 4241 Surface Treatment: Titanium coated Shank Diameter: 6.35mm Steps 4-12mm: 5 Steps (4mm, 6mm, 8mm, 10mm, 12mm) Cannot be used for stainless steel When inject cold water while working, can effectively extend the service life of the drill bit