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Specifications

COLLET CAPACITY ALL ER-25
THRU HOLE 5/8"
C 1-7/8"
L1 3-3/16"
L2 5-3/16"
W1 2-1/4"
W2 3-1/16"
H 3"
SQUARE & PARALLEL 0.0002"
Weight (lb) 4

The Suburban Tool MM-25R Master-Grind Index Fixture handles the full ALL ER-25 collet capacity, giving toolmakers a compact, low-profile fixture for precision grinding, milling, and inspection setups. Its 72-position index plate lets you index every 5 degrees for fast, repeatable angular work.

Built for the toolroom, the MM-25R uses standard ER-25 spring collets and runs on a spindle supported by preloaded ball bearings for dependable accuracy.

  • 72-position index plate indexes every 5 degrees
  • Accepts standard ER-25 spring collets for versatile workholding
  • Spindle rides in preloaded ball bearings with maximum runout of 0.0002" T.I.R.
  • Lightweight design for easy handling and quick changeovers
  • Low height is ideal for small machine set-ups
  • Ships in a fitted wooden case with collet wrench included
  • Made in the USA by Suburban Tool
  • Hardened steel base.
  • Fitted wooden case and collet wrench included.

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