self centering drill bit

Brand Name:Starry

Model Number:6mm

Place of Origin:JIANG SU CHINA

..., measuring Rockwell hardness up to 67 with 5% Cobalt, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. No center punch is needed—the 135° Quick-Cut points are self-centering and

Brand Name:ENG

Model Number:8500

Place of Origin:China

... provide a range of Bi-Center bits in both Steel and Matrix body types. The following performance-improving characteristics are present in the Bi-Center products: Force-balanced cutting structure; Directionally responsive; CFD enhanced hydraulics setup.

Brand Name:ENG

Model Number:7000

Place of Origin:China

...m Bi-Center include the following performance-enhancing features: • Directionally responsive; • Force-balanced cutting structure; • CFD enhanced hydraulics arrangement. Our Bi-Center bits can be produced with or without the Feature depending on the

Brand Name:Starry

Model Number:10mm

Place of Origin:JIANG SU CHINA

...Drill Bits Metal hss drill bits metal Description: Manufactured from HSS4241 steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67 with 5% Cobalt, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. No center punch is needed—the 135° Quick-Cut points are self-centering...

Brand Name:Starry

Model Number:8mm

Place of Origin:JIANG SU CHINA

...Drill Bits High Speed Steel Step Drill Bit Description: Manufactured from Hss-4341 steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67 with 5% Cobalt, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. No center punch is needed—the 135° Quick-Cut points are self-centering

Brand Name:Starry

Model Number:7.5mm

Place of Origin:JIANG SU CHINA

..., measuring Rockwell hardness up to 67 with 5% Cobalt, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. No center punch is needed—the 135° Quick-Cut points are self-centering and

Brand Name:RTCRAFT or OEM

Model Number:Metric Size or Inch Size

Place of Origin:CHINA

...Drill Bit M35 Co5% HSS Co Stubby Body Twist Drill Bit 135 Deg. Split Point Cobalt Drill Bit Description of Double Ended HSS Drill Bits: PREMIUM MATERIAL:High Grade High Speed Steel with Cobalt 5% to ensure the high hardness over HRC 64-66, and wear-resistance, abrasion-resistance, high red hardness. BEST CUTTING TIP:Double End 135 Deg. Split Point Drill Angle to guarantee the best self-centering and positioning and drill

Brand Name:Starry

Model Number:7.5mm

Place of Origin:JIANG SU CHINA

...Drill Bit Description: Manufactured from M35 steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67 with 5% Cobalt, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. No center punch is needed—the 135° Quick-Cut points are self-centering...

Brand Name:Starry

Model Number:8mm

Place of Origin:JIANG SU CHINA

...67 with 5% Cobalt, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. No center punch is needed—the 135° Quick-Cut points are self-centering and penetrate quickly with less pressure.

Brand Name:Starry

Model Number:8mm

Place of Origin:JIANG SU CHINA

...67 with 5% Cobalt, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit. No center punch is needed—the 135° Quick-Cut points are self-centering and penetrate quickly with less pressure.

Brand Name:STARRY AND OEM

Model Number:3,4,5,6,7,8,9,10

Place of Origin:JIANG SU

... Drill Bits , Concrete Long Masonry Drill Bit For Brick 1. Ideal for drilling concrete, granite, rock, brick, stone, breeze block. 2. Self-centering tip for clean entry and fast starts. Stays sharp longer. 3. 2× longer life than standart hammer drill bits...

Brand Name:STARRY

Model Number:3-16MM

Place of Origin:JIANG SU ,CHINA

...fast starts. Stays sharp longer. 3. 2× longer life than standart hammer drill bits. 4. Our U flute design for faster, more efficient dust removal. 5. Premium steel improves core strength for maximum durability and extended life. ...

Brand Name:STARRY AND OEM

Model Number:5/32;3/16

Place of Origin:JIANG SU

... Self-centering tip for clean entry and fast starts. Stays sharp longer. 3. 2× longer life than standart hammer drill bits. 4. Our U flute design for faster, more efficient dust removal. 5. Premium steel improves core strength for maximum durability and

Brand Name:STARRY AND OEM

Model Number:3-25MM

Place of Origin:JIANG SU

... tip for clean entry and fast starts. Stays sharp longer. 3. 2× longer life than standart hammer drill bits. 4. Our U flute design for faster, more efficient dust removal. 5. Premium steel improves core strength for maximum durability and extended life.

Brand Name:STARRY

Model Number:5-50MM

Place of Origin:JIANG SU

...Drill Bits , Extra Long Tapered Drill Bits For Metal Features 1. Precise dimension,long life and high efficiency. 2. High-speed steel (HSS) provides hardness for wear resistance 3. Bright finish increases chip flow in softer materials such as aluminum, wood and plastic 4. Self-centering...

Brand Name:STARRY AND OEM

Model Number:3,4,5,6,7,8,9,10

Place of Origin:JIANG SU

... Drill Bits , Concrete Long Masonry Drill Bit For Brick 1. Ideal for drilling concrete, granite, rock, brick, stone, breeze block. 2. Self-centering tip for clean entry and fast starts. Stays sharp longer. 3. 2× longer life than standart hammer drill bits...

Brand Name:STARRY

Model Number:3-16MM

Place of Origin:JIANG SU ,CHINA

...fast starts. Stays sharp longer. 3. 2× longer life than standart hammer drill bits. 4. Our U flute design for faster, more efficient dust removal. 5. Premium steel improves core strength for maximum durability and extended life. ...

Brand Name:Zhongzuan

Place of Origin:Chongqing, China

... 2. Fast cutting, smooth chip removal. Double spiral groove, sharp punching, reducing resistance, fast chip removal 3. Self-centering design, easy to locate: 118°X type opening design, effectively reducing opening slip. 4. Suitable for

Brand Name:Zhongzuan

Place of Origin:Chongqing, China

...cutting, smooth chip removal. Double spiral groove, sharp punching, reducing resistance, fast chip removal 3. Self-centering design, easy to locate: 118°X type opening design, effectively reducing opening slip. 4. Suitable for stainless steel, mold ...