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Straight Shank Twist Drill Bit_1
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Straight Shank Twist Drill Bit

The straight shank twist drill bit features a 135 split point design with self-centering function, made from M35 cobalt high-speed steel for superior wear resistance. Its spiral flutes allow fast chip removal, improving drilling efficiency by 40%, and making it ideal for stainless steel, iron, copper, aluminum, and other metals.

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Release date:2025-09-29 16:51

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Features: 

135° Split Point Design: Dual rear-angle tip with self-centering function ensures accurate drilling and reduces walking.

High-Speed Alloy Steel: Made from M35 cobalt-containing high-speed steel for excellent wear resistance and longer service life.

Spiral Flute: Optimized flute design prevents material clogging and allows efficient chip removal.

Enhanced Efficiency: Sharp cutting edges increase drilling speed by up to 40%.

Wide Application: Suitable for drilling stainless steel, iron, copper, aluminum alloy, and various other metals.

Product No.

Size

Box(pcs)

Product No.

Size

Box(pcs)

BK-516201

1.0mm

10

BK-516216

7.0mm

10

BK-516202

1.5mm

10

BK-516217

7.5mm

10

BK-516203

2.0mm

10

BK-516218

8.0mm

10

BK-516204

2.5mm

10

BK-516219

8.5mm

10

BK-516205

3.0mm

10

BK-516220

8.8mm

10

BK-516206

3.2mm

10

BK-516221

9.0mm

10

BK-516207

3.5mm

10

BK-516222

9.5mm

10

BK-516208

4.0mm

10

BK-516223

10.0mm

5

BK-516209

4.2mm

10

BK-516224

10.5mm

5

BK-516210

4.5mm

10

BK-516225

11.0mm

5

BK-516211

5.0mm

10

BK-516226

11.5mm

5

BK-516212

5.2mm

10

BK-516227

12.0mm

5

BK-516213

5.5mm

10

BK-516228

12.5mm

5

BK-516214

6.0mm

10

BK-516229

13.0mm

5

BK-516215

6.5mm

10





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