Trend Countersink Set 5pce TCT quality ideal for hard and softwoods as well as mdf. They have a 1/4inch hex shank that fit drill chucks or they can also fit into screwdriver bit adaptors either. They will produce a 9.5 mm (3/8in) or 12.7 mm (1/2in) diameter counterbored hole for wood plugs. Sizes 2.0 mm (5/64in), 2.4 mm (3/32in), 2.8 mm (7/64in), 3.2 mm (1/8in), 3.6 mm (9/64in).
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