Step Bit Set
5pcs Spiral Flute Tungsten Carbide Titanium Coated Hss Step Cone Drill Bits Set
- Forged from high-quality titanium coated high-speed steel.
- Suitable for drilling thinner stainless steel, carbon steel, aluminum, iron, and other materials.
- The step drill bit sets have a clear scale mark.
- Universal hex shank.
- Step drill bits can drill different kinds of diameter holes, which greatly saves you a lot of trouble.
- Product Details
- Factory
- Material
Product Description
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Product Name
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5pcs Spiral Flute Tungsten Carbide Titanium Coated Hss Step Cone Drill Bits Set
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Color
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Titanium Coated or as your request
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Name
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stepped drill bits set
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Used
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drilling holes with different diameters
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Spiral Flute Step Drills (Metric)
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Size (mm)
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Number of Steps
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L1 (mm)
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L2 (mm)
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D1 (mm)
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D2 (mm)
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4-12
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5
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62
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22
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12
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6
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4-12
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9
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71
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22
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12
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6
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4-20
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9
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71
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22
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20
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8
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4-22
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10
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85
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22
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22
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8
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6-30
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13
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93
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22
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30
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10
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4-32
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14
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99
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23
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32
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10
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4-39
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13
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108
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25
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39
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10
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5-35
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13
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73
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25
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35
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13
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10-45
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9
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98
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25
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45
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13
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6-60
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12
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113
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25
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60
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13
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Spiral Flute Step Drills (Inch)
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Size (inch)
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Number of Steps
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L1 (inch)
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L2 (inch)
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D1 (inch)
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D2 (inch)
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3/16-1/2
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6
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2 41/64
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7/8
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3/16-1/2
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1/4
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1/8-1/2
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13
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2 59/64
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7/8
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1/8-1/2
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1/4
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1/4-3/4
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9
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2 51/64
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7/8
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1/4-3/4
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3/8
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3/16-7/8
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12
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3
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7/8
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3/16-7/8
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3/8
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1/4-1 3/8
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10
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2 61/64
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7/8
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1/4-1 3/8
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3/8
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* Custom-tailor would be available against customers’ requirements
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