Rugged 1/8 Inch Cobalt Drill Bits 20 Piece Set M35 High Speed Steel Jobber Twist Drills For Stainless Steel And Hard Metal Built Like A Tank And Knocks Any Job Clean

20 Pack M35 Cobalt Drill Bits Precision Jobber Set
✔️ 1/8 in Dia 3.175mm M35 Cobalt HSS 135 Split Point Shank

This 20 piece jobber twist drill bit set handles tough materials like stainless steel, cast iron, alloy steel, and hard plastic. Shop supervisors and metal fab hands grab these when they need honest penetration without swapping tips halfway through a shift.

✅ Twenty piece batch handles continuous floor time without swapping
✅ M35 steel mix brings five percent cobalt for serious wear resistance
✅ Fully ground spiral channels flush chips away while running cool
✅ One thirty five degree split nose drives straight without a center punch
✅ Forty two millimeters or 1.65 inch flute stretch reaches deep cuts safely

💡 What makes cobalt twist drill bits handy for machining hard metals?
They keep their temper longer because the cobalt blend shrugs off friction and heat when you are smashing through thick gauge plate.
- Thirty one nine millimeters or 1/8 inch diameter slips into standard round chucks
- Forty two millimeters or 1.65 inch flute length clears holes clean
- Seven one millimeters or 2.80 inch overall length anchors your feed stroke
- One thirty five degree split nose centers fast so you skip marking punches