Utoolmart Hollow Square Shank Drill Bit, 16mm Bit, 150mm Long 10pcs

Utoolmart Hollow Square Shank Drill BitDescriptions* YG8C tungsten steel, 40CR chromium vanadium steel, higher strength, faster drilling speed* Chip removal trough: grinding process, chip removal smooth drilling does not block* Quick connect keyless chuck to hex drive tool.* Screw head fits perfectly into any keyless chucks.* Hex End Used for Increase operator productivity and convenience by speeding bit changeovers.Technical Parameters* Product Name : Hollow Square Shank Drill* Material: YG8C Tungsten Steel, 40CR Chrome Vanadium Steel* Color: Silver Tone* Bit Width: 16mm / 0.63-inch* Total length: 150mm / 5.91-inch* Shank Type : Four-Hollow Square ShankPackage Content* 10 Pcs x Hollow Square Shank Drill

• 【Parameter】- Bit Width: 16mm / 0.63-inch; Total length: 150mm / 5.91-inch; Shank Type : Four-Hollow Square Shank; Material: YG8C Tungsten Steel, 40CR Chrome Vanadium Steel.
• 【Material】- YG8C tungsten steel and 40CR chrome vanadium steel bit heads are harder, tougher and more resistant and durable to extreme loads for longer tool life and faster performance in masonry. Steel bits are heat forged for strength and longevity with a sharp Tip edge design for maximum impact on masonry/concrete material, allowing for effective and precise drilling.
• 【Four-Hollow Square Shank】- Optimized 4-flute design to reduce bit stress when drilling, keep the bit running cooler, and for fast dust removal.
• 【Wide Application】- Hollow square shank drill bit is for handling a wide variety of heavy-duty drilling applications including concrete, brick, block and more.
• 【Pay Attention To】- Collision of concrete iron is strictly prohibited when used in concrete.