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QUICK RELEASE PLUNGERS
Vlier Lever type - Locking

Lever Type Fully-Retractable
Locking Plungers


Designed to allow the plunger to be withdrawn completely into the body. The FR Series features a fully retractable plunger which locks into a retracted position. The SSFR Series is the Stainless Steel Version of the FR Series. There is no thread relief for the FR250 and SSFR250 sizes.
Lever Type Fully Retractable Spring Loaded Devices

Part End Force, lbs. A B C D E F G H I
No. Initial Final HEX
FR-250 0.5 2.50 1/4-20 1.25 .38 .16 .25 .50 .09 .80 0
FR-375 0.75 3.75 3/8-16 2.00 .56 .25 .38 .74 .14 1.31 .13
FR-500 1.0 5.0 1/2-13 2.11 .75 .31 .50 1.0 .19 1.25 .15
FR-625 1.0 5.0 5/8-11 3.05 1.0 .38 .62 .94 .19 2.00 .18


Lever Type Fully Retractable (Stainless Steel) Spring Loaded Devices

Part End Force, lbs. A B C D E F G H I
No. Initial Final HEX
SSFR-250 0.50 2.50 1/4-20 1.25 .38 .16 .25 .50 .09 .80 0
SSFR-375 0.75 3.75 3/8-16 2.00 .56 .25 .38 .74 .14 1.31 .13
SSFR-500 1.0 5.0 1/2-13 2.11 .75 .31 .50 1.0 .19 1.25 .15
SSFR-625 1.0 5.0 5/8-11 3.05 1.0 .38 .62 .94 .19 2.00 .18
To order with locking element, add "P" at end of part number


Lever Type Steel/Stainless Steel-Metric Locking
Part No. End Force, lbs. A B C D E F G H I
Steel Stainless Initial Final mm(in.) mm(in.) mm(in.) mm(in.) mm(in.) mm(in.) mm(in.) mm(in.) mm(in.)
FRM6 SFRM6 2.2 11.1 M6 X 1.0 32 10 4 6 12.7 2.3 20 *
(.50) (2.5)   (1.26) (.39) (.157) (.236) (.50) (.09) (.788)  
FRM10 SFRM10 3.3 16.7 M10 X 1.5 51 14 6 10 19 3.5 33 3.3
(.75) (3.75)   (2) (.55) (.236) (.39) (.75) (.14) (1.3) (.13)
FRM12 SFRM12 4.5 22.3 M12 X 1.75 54 19 7 12 25.4 4.8 32 3.8
(1.0) (5.0)   (2.1) (.75) (.275) (.47) (1.0) (.19) (1.26) (.15)
To order with locking element, add "P" at end of part number *No thread relief for M6 thread size

Lever Type Fully-Retractable
Stubby Plungers - Locking


The FRS Series plunger features a stubby body and a fully retractable plunger which can be locked in the retracted position. There is no thread relief for the FRS250 plunger.
Fully Retractable Stubby Spring Loaded Devices- Locking
Part End Force, lbs. A B C D E F G H I
No. Initial Final HEX
FRS-250 .12 .50 1/4-20 .75 .20 .16 .25 .40 .09 .50 0
FRS-375 .25 1.25 3/8-16 1.13 .30 .25 .38 .56 .14 .75 .13
FRS-500 .50 2.0 1/2-13 1.50 .40 .31 .50 .75 .19 1.0 .15
FRS-625 .75 2.5 5/8-11 1.88 .50 .38 .62 .88 .19 1.25 .18
To order with locking element, add "P" at end of part number



To place an order call 1-800-526-6003     M.J. Vail Company
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