Cooper Tools Quackenbush 158QGDAV Operations Instructions Page 135

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135
RB 356 HPI 58
7/16” ‑ 20 F Inches
Special for Drill Countersinking Reamers
and Taper‑Lok Cutters
Bulk:
Tool attachment:‑7/16” ‑ 20 F
Stroke:‑58 mm ‑ 2.283”
Body off:‑Ø 38 mm ‑ 1.5” dia
Overall length:‑
maxi: 292 mm ‑ 11.5”
mini: 264 mm ‑ 10.4”
Weight:‑970 g.
Code number:‑10.050.050
Advantages:
n Mounted on three needle bearings, this high precision drill‑cage
ensures perfect concentricity.
n It has been specially designed for drilling, reaming and
countersinking operations.
n Removable adaptor with two possibilities of use:
A.‑Chuck clamping of the straight shank with 3 wrench flats,
B.‑Direct fitting on the spindle without using the drill chuck.
This gives perfect concentricity and noticeably reduces the length
and weight of the drill‑and‑tool assembly.
Results are higher performance, improved machining and much less
fatigue for the operator.
n Cemented, hardened and ground chrome‑nickel steel spindle
mounted on three needle bearings and a ball thrust bearing.
n Body of specially treated chrome steel fully ground throughout.
n Ground centring‑cone of the cutter (120°) for perfect concentricity.
n Microstop depth adjustment: (1 scale division = .001”).
n Safety locking ensured by a locknut equipped with a seal.
This patented feature allows an easy loosening of the locknut
without damage to the drill‑cage.
Microstop Drill‑Cage for Drilling, Reaming & Countersinking
RB 356 HPI 58 Inches
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