Specification:-Screw head type: Universal round head-Item Type: Cobalt Drill Bits-Material: High-Speed Steel+Titanium Plating-Structure: Saw&amp;Drill-Application: Woodworking; Aluminum Alloy; Plastic Board Drilling And -Cut Grooving-Quantity: 6pcs-Diameter: 3; 4; 5; 6; 6.5; 8mm(1 Set)-Detailed size: As shown-Usage Scenarios:Suitable for holing; cutting on wood; soft metal; aluminum plate; iron; etc. Package list:6pcs drill bit Product Details1. High-speed steel material: high hardness; good wear resistance and long service life2. Sharp tooth mouth: easy to remove sawdust; sawing more smoothly3. Universal crown design: no slippage. Suitable for electric drill bench drills4. Multiple sizes: suitable for different scenarios<img width="944px" height="1221px" data-srcid="-" src="https://image.doba.com/dgd1-qKVDSUBRTJbR/6pcs-cobalt-drill-bits-set-spiral-metric-composite-tap-drill-bit-tap-twist-drill-bit-wood-drill-for-cutting-drilling-slotting.jpg" alt="dropship 6PCS Cobalt Drill Bits Set Spiral Metric Composite Tap Drill Bit Tap Twist Drill Bit Wood Drill For Cutting Drilling Slotting" /><img width="944px" height="1307px" data-srcid="-" src="https://image.doba.com/dgd1-VSDbdwgFtYvH/6pcs-cobalt-drill-bits-set-spiral-metric-composite-tap-drill-bit-tap-twist-drill-bit-wood-drill-for-cutting-drilling-slotting.jpg" alt="dropship 6PCS Cobalt Drill Bits Set Spiral Metric Composite Tap Drill Bit Tap Twist Drill Bit Wood Drill For Cutting Drilling Slotting" /><img width="944px" height="893px" data-srcid="-" src="https://image.doba.com/dgd1-bTvyIUgZfoVE/6pcs-cobalt-drill-bits-set-spiral-metric-composite-tap-drill-bit-tap-twist-drill-bit-wood-drill-for-cutting-drilling-slotting.jpg" alt="dropship 6PCS Cobalt Drill Bits Set Spiral Metric Composite Tap Drill Bit Tap Twist Drill Bit Wood Drill For Cutting Drilling Slotting" /><img width="944px" height="899px" data-srcid="-" src="https://image.doba.com/dgd1-vObdSUrAtoDE/6pcs-cobalt-drill-bits-set-spiral-metric-composite-tap-drill-bit-tap-twist-drill-bit-wood-drill-for-cutting-drilling-slotting.jpg" alt="dropship 6PCS Cobalt Drill Bits Set Spiral Metric Composite Tap Drill Bit Tap Twist Drill Bit Wood Drill For Cutting Drilling Slotting" /><img width="944px" height="944px" data-srcid="-" src="https://image.doba.com/dgd1-vWDMSsBFfJVG/6pcs-cobalt-drill-bits-set-spiral-metric-composite-tap-drill-bit-tap-twist-drill-bit-wood-drill-for-cutting-drilling-slotting.jpg" alt="dropship 6PCS Cobalt Drill Bits Set Spiral Metric Composite Tap Drill Bit Tap Twist Drill Bit Wood Drill For Cutting Drilling Slotting" /><img width="944px" height="1888px" data-srcid="-" src="https://image.doba.com/dgd1-bsDjlwgZZcvE/6pcs-cobalt-drill-bits-set-spiral-metric-composite-tap-drill-bit-tap-twist-drill-bit-wood-drill-for-cutting-drilling-slotting.jpg" alt="dropship 6PCS Cobalt Drill Bits Set Spiral Metric Composite Tap Drill Bit Tap Twist Drill Bit Wood Drill For Cutting Drilling Slotting" /><img width="944px" height="1902px" data-srcid="-" src="https://image.doba.com/dgd1-qcvYlwBftoDE/6pcs-cobalt-drill-bits-set-spiral-metric-composite-tap-drill-bit-tap-twist-drill-bit-wood-drill-for-cutting-drilling-slotting.jpg" alt="dropship 6PCS Cobalt Drill Bits Set Spiral Metric Composite Tap Drill Bit Tap Twist Drill Bit Wood Drill For Cutting Drilling Slotting" /><img width="944px" height="944px" data-srcid="-" src="https://image.doba.com/dgd1-DEVhdUWGfcvR/6pcs-cobalt-drill-bits-set-spiral-metric-composite-tap-drill-bit-tap-twist-drill-bit-wood-drill-for-cutting-drilling-slotting.jpg" alt="dropship 6PCS Cobalt Drill Bits Set Spiral Metric Composite Tap Drill Bit Tap Twist Drill Bit Wood Drill For Cutting Drilling Slotting" /> <script>window.adminAccountId=239234800;</script>