3PCS STEP DRILL BIT SET WITH 1/4 INCH HEX SHANK-24 SIZES

SPECIFICATION:

Material: HSS；

Shank: 6.35mm (1/4 inch) Hex Shank

Size: 4-12mm/3-12mm/4-20mm;

Length: 68MM/71MM/72MM;

PRODUCT FEATURES:

-3 PCS step drill bit set is made of high quality HSS with black nitride coating surface treatment, strong and reliable, withstanding heavy-duty use, long service life ensured!

- Single metal step drill bit can be used for drilling a wide range of hole sizes in wood, aluminum alloy, plastic plates and more;

-24 sizes are included: 4-20mm/3-12mm/4-12mm; tapered design ensures precise and accurate drilling!

-Universal 1/4 inch hex shank for quick change and wide application, fitting most power tools;

- A bag is included for packing and organizing the drill bits.

PACKAGE INCLUDES:

1 X Step drill bit：4-12mm;

1 X Step drill bit：3-12mm;

1 X Step drill bit：4-20mm.