Heat Treatment TCT Drill Bits

Long Shank TCT Drill Bits SDS Masonry Drills with carbide tips Quick detail 1:Long shank, the longest is more than 1000mm 2. Tungsten carbide tips hardness HRA89-HRA91.5 3. 45# carbon steel body with heat treatment. Avoid breaking. 4. Brazed high frequency induction brazing makes sure the strength of the teeth to prevent carbide breakage. 5. Special Helical cutting angle . Design for concrete cutting. 6: sand blash processing surface. Drill bits made of carbon steel and

TCT countersink bit with red (LH) or black (RH) color painted surface Drill bits made of carbon steel and carbide tips. Steel body with heat treatment. to make sure strong enough and no broken. Surface painted with red (LH) or black (RH) color. We have Brad point, V point, for hinges and countersink different types. 10mm modular shank with flat. T.C.T tips with center point and M5*10 adjustable screw. Applications: Bits make through holes or blind holes or holes on hinges or

Customized OEM Brad point, V point TCT Countersink cutters Drill bits made of carbon steel and carbide tips. Steel body with heat treatment. to make sure strong enough and no broken. Surface painted with red (LH) or black (RH) color. We have Brad point, V point, for hinges and countersink different types. 10mm modular shank with flat. T.C.T tips with center point and M5*10 adjustable screw. Applications: Bits make through holes or blind holes or holes on hinges or tanks on

Durable micro - grain carbide tips TCT countersink cutters Drill bits made of carbon steel and carbide tips. Steel body with heat treatment. to make sure strong enough and no broken. Surface painted with red (LH) or black (RH) color. We have Brad point, V point, for hinges and countersink different types. 10mm modular shank with flat. T.C.T tips with center point and M5*10 adjustable screw. Applications: Bits make through holes or blind holes or holes on hinges or tanks on

Durable carbon steel and carbide tips TCT countersink cutters Drill bits made of carbon steel and carbide tips. Steel body with heat treatment. to make sure strong enough and no broken. Surface painted with red (LH) or black (RH) color. We have Brad point, V point, for hinges and countersink different types. 10mm modular shank with flat. T.C.T tips with center point and M5*10 adjustable screw. Applications: Bits make through holes or blind holes or holes on hinges or tanks on

TCT Drill Bits Brad point V point Carbon Steel Durable Boring Tools With Heat Treatment Drill bits made of carbon steel and carbide tips. Steel body with heat treatment. to make sure strong enough and no broken. Surface painted with red (LH) or black (RH) color. We have Brad point, V point, for hinges and countersink different types. 10mm modular shank with flat. T.C.T tips with center point and M5*10 adjustable screw. Applications: Bits make through holes or blind holes or