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COUNTER-BORE

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COUNTER-BORE
High Speed Steel. 4 - flute,  Enlarge the top porting of an existing hole forming a cylindrical-shaped opening with a flat bottom that acts as as seat for standard cap screw head M3 ~ M12mm.
Other type  of counter-bore also for
cylindrical-seat.
( D7 ) 

Pilot D Large D x Shank D x Overall
ITEM NO. DESCRIPTION WEIGHT(g) PRICE QUANTITY IN STOCK ORDER NOW
113-M3 3.2 x 5.9 x 6 x 50mm 20 $10.00 Yes
113-M4 4.2 x 7.4 x 6 x 50mm 30 $12.00 Yes
113-M5 5.2 x 8.9 x 6 x 50mm 40 $14.00 Yes
113-M6 6.2 x 10.4 x 6 x 50mm 50 $16.00 Yes
113-M8 8.2 x 13.4 x 10 x 67mm 60 $19.00 Yes
113-M10 10.3 x 16.8 x 12 x 75mm 90 $25.00 Yes
113-M12 12.3 x 18.8 x 12 x 75mm 120 $29.00 Yes
1137PM3-12 7pc/set M3~M12 700 $95.00 Yes
1134-5 4 x 4.7 x 6 x 63mm 30 $10.00 Yes
1136-10 6 x 10 x 8 x 63mm 50 $16.00 No
1138-12 8 x 12 x 13 x 70mm 60 $19.00 Yes
11310-15 10 x 15 x 12 x 75mm 90 $26.00 No
11312-17 12 x 17 x 12 x 75mm 120 $30.00 Yes
11314-24 14.4 x 24 x 12 x 90mm 240 $37.00 Yes
11316-26 16.5 x 26 x 12 x 90mm 300 $40.00 Yes
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