pneumatic self-feed twin drills aro twin drills perform two machining ... but even more important aro twin drills significantly reduce machining time and ... automatic production tools each twin drill is a completely self-contained unit ... of hole specifications · double-acting air piston provides smooth controlled ... bant-a-matic® series 1/8 3.2 mm capacity steel · .25 hp 19 kw model 8248-b30-2 ... par-a-matic® series 1/4 6.4 mm capacity steel · .50 hp 37 kw model 8258-c21-2 ... super par-a-matic® series 3/8 9.5 mm capacity steel · .75 hp 56 kw model 8268-a25-3 ... valve-in-head built-in control valve 2 58 c 21 2 stroke length free speed ... tool generation series 48 bant-a-matic 58 par-a-matic 68 super par-a-matic 14 ...
-b48-a 8659-b56-a no 2 to no 8 m2 to m4 air consp working speed ft3/cycle l/cycle ... std chuck capacity in mm free speed 11 12 13 14 16 18 ... pitches available consult factory air inlet 3/8 npt female control ports 1/8 ... 90 psi 6.2 bar collet id in mm .141 3.58 .168 4.27 .194 4.93 .220 5.59 .255 6.48 ... data given at 90 psi 6.2 bar air pressure standard equipment · 41376 tap ... being driven aligns properly with the drilled hole order the desired size 44890 ...