Amtech F0870 7pc Tapered Drill & Countersink Bit Set ...
New (4) from £8.49 + FREE Shipping. Set includes 7 tapered drill bits plus countersinks, adjustable stop collars and Hex Key. Drill and countersink in one operation. Drill can be adjusted to the desired drilling depth. Sizes: 3.0, 3.5, 4.0, 4.3, 4.7, 5.2 and 5.5mm. Adjustable stop collars and Hex Key.
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