Drillpro 6Pcs M3-M10 M35 Cobalt Plating HSS Hex Shank Spiral Groove Drill Tap Bit Set Co-HSS Metal Threaded Hole Opener

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wetoolshopSKU: M3-M10 M35 Cobalt Plating HSS Hex Shank

$30.99 $42.99

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- M35 HSS has higher hardness and durability than HSS4341.

- Suitable for drilling, tapping and cutting on wood, aluminum and metals with a hardness of less than 65.

- Spiral groove structure.

- High hardness, anti-rust, strong and durable.

- The advantages are opening, tapping and chamfering.

- Automatic centering, no need for auxiliary center drilling or center punching.

- One-click drilling and tapping, greatly saving processing steps and time costs.



Produce Name Tap Drill Bit
Material M35 HSS
Shank 1/4 inch (6.35mm) Hex Shank
Size M3x0.5, M4x0.7, M5x0.8, M6x1, M8x1.25, M10x1.5
Weight 0.82kg
Quantity 6 Pcs x Tap Drill Bit


Size Bit Diameter(mm) Shank Diameter(mm) Drill length(mm) Tooth length(mm)  Total Length(mm)
M3x0.5 3.0 6.35 5 6 36
M4x0.7 4.1 6.35 6 8 39
M5x0.8 5.0 6.35 7 9 41
M6x1 6.0 6.35 8 11 44
M8x1.25 8.1 6.35 10 14 49
M10x1.5 10.0 6.35 10 17 52


Package Included:

1 Pc x M3x0.5 Tap Drill Bit
1 Pc x M4x0.7 Tap Drill Bit
1 Pc x M5x0.8 Tap Drill Bit
1 Pc x M6x1 Tap Drill Bit
1 Pc x M8x1.25 Tap Drill Bit
1 Pc x M10x1.5 Tap Drill Bit


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