Feature(may vary by option.)

●High quality: Made of ultra-fine grained carbide material, the experience is precise and easy, with high hardness, good toughness, wear resistance, high strength, and resistance to bending. Carbide PCB drill bits can replace your CNC machine and any hand tools. The drill bit has a large chip removal space, large chip removal resistance, smooth chip removal, and low drilling heat.
●Advanced HSS High Speed Steel Material
●Spring pressure can be adjusted by simply rotating the knurled top of the punch
●Automatic spring loads then releases at top of cycle with force to create centre punch (no hammer needed)
●Hardness: HRC58°~65

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Description

Super versatile: suitable for drilling and engraving PCB, acrylic, plastic, fiberglass, wood, aluminum, soft metals. Used in PCB drilling machines, engraving machines, CNC lathes, and machining centers. Works quickly and cleanly, leaving no faults or scrap behind.
Feature:
1. Advanced HSS High Speed Steel Material
2. Spring pressure can be adjusted by simply rotating the knurled top of the punch
3. Automatic spring loads then releases at top of cycle with force to create centre punch (no hammer needed)
Item describe:
1. 100% and
2. Type: Centre Punch Drill
3. Material: High Speed Steel
4. Size: 130X12.7mm
5. Color: Yellow and Black
6. Hardness: HRC58°~65
7. Knurled handle prevents slipping
8. Gives precise starting point on steel and other solid materials
Package include:
1 x Automatic Centre Punch Drill
After-sales guarantee: Our drill bits are of first-class quality and have a good reputation. They have been inspected by a large number of customers. If there are any after-sales problems with the product, please contact us in time and we will do our best to satisfy you!