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Tension Tap Holders

Compact, economical tension tap holders for use on CNC machining centers, screw machines, automatic lathes and chuckers, CNC lathes and milling machines. Eliminates tap breakage caused during machine reversal by automatically providing overtravel, and compensating for improper feed rate.

SERIES
ORDER
NUMBER
CAPACITY HOLDING
O. D.
TOOL LENGTH TAP
COLLET
SERIES NO.
TENSION
TRAVEL
57407 #0-1/4" 3/4" 3-1/4" 51800 3/8"
57410 #8-1/2" 1" 4-1/4" 52800 1/2"
57413 #10-3/4" 1" 4-7/8" 53800 5/8"
57515 1/4"-1" 1-1/2" 5-7/16" 54800 5/8"

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TRU-GRIPTM Tap Chucks

These tap holding chucks incorporate the time-proven Procunier TRU-GRIP Tap Holder with a straight shank or a morse taper shank for machines with reversible spindles. Chucks are one-piece, hardened and ground for accuracy. Small-lightweight-compact-durable. Complete chucks include shank, locking nut and wrenches.

Order collets separately.

STYLE CHUCK DIM CAPACITY SERIES ORDER NUMBERS TAP
COLLET
SERIES NO.
O.D. PROJ STRAIGHT
SHANK
1 MT 2 MT 3 MT 4 MT
2TG 1" 2 1/8" #6-1/2" 57420 (1/2") 57421 57422 52800
3TG 1 7/16" 2 1/2" #8-3/4" 57430 (9/16")   57432 57433   53800
4TG 2" 3 1/8" 1/4"-1 1/8" 57440 (3/4")   57442 57443 57444 54800

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TRU-GRIP Tap Holder Reducer

              Allows greater range for the size 3 TRU-GRIP tap holder. Includes adapter holder, shank, lock nut and wrenches. Does not include tap collet.
3-TG-1-TG Reducing Tap Holder: Order Number 57405.
Uses #1 collets (51000 series).

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Round Die Holder Collets

        These holders are made to be used with  "Adjustable Round Split" dies. Precision ground and made to fit into Procunier TRU-GRIP tap holders.

STYLE HOLDS
ROUND
O.D. DIE
SIZE
FITS TAP
HEAD
SIZE
SHANK
DIA.
CAPACITY MAXIMUM
LENGTH OF
THREADS
ORDER
NUMBER
INCH MM
1--TRC 5/8" 1 3/8" #0-#12 M2-M5 1" 57490
1--TRC 13/16" 1 3/8" #0-1/4" M2-M6 1" 57491
2--TRC 1" 2 1/2" #6-7/16" M4-M10 1 1/2" 57492
3--TRC 1 1/2" 3 3/4" #8-3/4" M5-M18 1" 57495
4--TRC 2" 4 1" 1/4-1 1/8" M6-M28 1 1/4" 57497


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