【MULTI-FUNCTIONAL】 5 PCS Countersink drill bit set featuring M2 HSS Tapered pilot drill bits in sizes 2.8x10mm, 3.0 x 10mm, 3 x 10mm, 3.5 x 10mm,4 x 10mm. Countersink 8mm Counter-Bore sleeves and 1/4” round shank for a secure grip, universal compatibility.
【HIGH QUANLITY】 Countersink drill bits are made of high speed steel, quenching treatment, so they are high hardness,wear-resisting and durable.
【ADJUSTABLE】 The drilling depth and counterbore depth can be easily and quickly adjusted, offering maximum versatility for various applications; The M2 HSS pilot drill bits are also easily replaceable with standard size bits.
【WIDE APPLICATIONS】 Excellent for cutting natural woods, man-made boards, MDF, chipboard, plywood, non-ferrous materials, decking materials and so on.
【AFTER SALES GUARANTEE】 Enjoy a 30 day free trial, and if you are not satisfied, we guarantee a full refund. If you have any questions or suggestions about this product, please contact us by email, We are happy to help you.

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