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The CB counterbores are extensively used for recessing bolt andscrew heads. Supplied with a HSS slow spiral drill bit. Fullyadjustable, a hex key is supplied. Use a drilling speeds only. Notsuitable for ferrous and non-ferrous metals. When setting-up,ensure flutes of drill are aligned with flute of counterbore. Forreplacement Twist Drills, use slow spiral type e.g 501/532 to501/012.
D=1/2 inch
D=12.7 mm
D2=1/4 inch
D2=6.35 mm

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DescriptionCodePrice INC VATBasket
Trend Cb12-14hss Counterbore 1/4 Diameter X 1/2 Dc/sCB12-14H£29.54 Save 1%
Trend CB12-14HSS Counterbore 1/4 Diameter X 1/2 Dc/s