New ! Good Quality Drill Chucks from Chronos !
Various sizes and fittings available
Threaded or Taper Mount
Also available with fitted morse taper / R8 shanks
NEW – FROM CHRONOS
Our BT40 ER Collet Chucks have a 5 micron run out accuracy & AT3 class taper.
Balanced Holder G6.3 with 15,000 RPM
AT3 class accuracy
Made from carburized alloy steel with case hardening and quench hardening heat,work surface hardnsll to HRC 53-57
“Taper accuracy AT3,ensure well contact with spindle cone for high speed running to protect the spindle.”
All parts are precision fully ground for accurate fit
Offer more rigidity and better accuracy
Concentricity and runout accuracy </=0.005mm in high rpm.
AVAILABLE TO SUIT ER 25 , ER32 & ER40 COLLETS
Both the phosphor bronze worm and the spindle are hardened and ground.
Ratio between the work and the worm gear is 40:1. A 24 hole plate is also fitted for quick indexing of simple numbers.
The spindle is rigidly held in a taper roller bearing and the swivel head can be locked at any angle from -10-90′. Supplied complete with test certificate Centre height is 100 mm
IMPORTANT – OUR BSO DIVIDING HEADS HAVE A 1 1/8 X 12 TPI SPINDLE THREAD COMPATIBLE WITH MYFORD AS WELL AS A PLAIN CAST BACKPLATE IF YOU WANT TO ADAPT YOUR OWN CHUCK ETC