M35 5% Cobalt Step Drill Bit HSSCO Cone Metal Tool Hole

Durable & Sturdy W/Cobalt Added ----- Solid M35 molybdenum high speed construction with cobalt added for ex durability, close to impoible to snap compared conventional drill bits, the -quick change shank is designed to install and uninstall easily. Oiling the bits recommended before every to maximize the service life. Jam-Free Performance ----- Dual-flute design and -quick change shank design is optimized for cordle drills in high speed provides greater speed and control while minimizing steel scurf flying around, to lengthen service life, please do not set drilling speed at its maximum to avoid damage to the cutting edge. One Bit for All ----- Every bit comes with multe sizes so you can drill up to multe holes with different diameters, saving you time and efforts to change bits. Universal Compatibility ----- Designed for drilling on Stainle steel sheets, acrylic, PVC and wooden boards. Marked with obvious marks for easy and precise hole drilling, compatible with most power drills. Step Sizes: 3-12mm: 9 steps (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm) 3-14mm: 12 steps (3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm) 4-12mm: 5 steps (4mm, 6mm, 8mm, 10mm, 12mm) 4-12mm: 9 steps (4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm) 4-20mm: 9 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm) 4-22mm: 10 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm) 4-25mm: 11 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm) 4-32mm: 15 steps (4mm, 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm, 26mm, 28mm, 30mm, 32mm) 5-21mm: 9 steps (5mm,7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm) 5-27mm: 12 steps (5mm,7mm, 9mm, 11mm, 13mm, 15mm, 17mm, 19mm, 21mm, 23mm, 25mm, 27mm) 6-24mm: 11 steps (6mm, 8mm, 10mm, 12mm, 13mm, 14mm, 16mm, 18mm, 20mm, 22mm, 24mm)

About shipping
Shipping and Pack All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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