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Imperial System High Speed Steel Step Drill Bits - Coppery (3PCS)

SKU: 397940
In Stock
Price: $8.28
Worldwide Free Shipping
Suitable for workpiece of hardness less than 25', such as carbon, sheet iron, insulating plate, PVC plate and plank.

Features:

- Unique step design, a drill can drill many kinds of holes;

- No need of center punch, and more strong than ordinary twist drill;

- It can remove burr, chamfer, drill the oval hole;

- It shakes more mildly than twist drill when using;

- Cool it with cool water when it is working, by which can raise the service life. The proposed speed is 250~400r/min.



General
Quantity: 1Set
Color: Coppery
Material: High speed steel4241

Other Features
Other Features: Step drill bit: 3 / 16-1 / 2" (3/16, 1/4, 5/16, 3/8, 7/16 , 1/2); Step drill bit: 1 / 8-1 / 2" (1/8, 5/32, 7/32,1/4, 9/32, 5/16, 11/32, 3/8,13/32, 7/16, 15/32, 1/2mm); Step Drill bit: 1 / 4-3 / 4" (1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4).

Dimensions & Weight
Dimensions: 3.46 in x 0.51 in x 0.39 in (8.8 cm x 1.3 cm x 1 cm)
Weight: 3.28 oz (93 g)

Packing List

3 x Step drill bits
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