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Hole Measuring Gages

Telescoping Gage Sets

6-Piece Telescoping Gage Sets.

Double action, self-centering gages for taking inside measurements. The set of 6 gages will take measurements ranging from 5/16"- 6" (8mm- 150mm.)
Hardened and ground contact points.
Constant spring tension for uniform feel.
Knurled, rigid handle.
Sets are supplied in a fitted case.

A telescoping gage's spring-loaded contact points expand in the hole to be measured, and are then locked in place with the handle end-screw. The gage is then removed from the hole, and the hole size is obtained by measuring over the gage's contact points with a micrometer.

Sale on Combo set (model GA-5903-ST) which also includes 4 piece small hole gage set measuring from .125" to .5".
Quantity Price Model Description Made in / by

$15.95 GA-5903
5/16 - 6" Telescoping Gage Set VME

$24.90 GA-5903-ST
GA-SM290E Small Hole Gage and GA-5903 Telescoping Gage Set Combo (1/8 - 6" ) VME

$91.00 PEC-3S-6
PEC-3S-6 USA 5/16 - 6" Telescoping Gage Set PEC Tools

$119.00 GEN-S98-6
5/16 - 6" General Telescoping Gage Set General

Individual Telescoping Gages

Individual Telescoping Gages.

Double action, self-centering gages for taking inside measurements. These gages will take measurements ranging from 5/16"- 6" (8mm- 150mm) - see the listed specifications for each gage size below.
Hardened and ground contact points.
Constant spring tension for uniform feel.
Knurled, rigid handle.

A telescoping gage's spring-loaded contact points expand in the hole to be measured, and are then locked in place with the handle end-screw. The gage is then removed from the hole, and the hole size is obtained by measuring over the gage's contact points with a micrometer.

Quantity Price Model Description Overall Length

$5.60 GA-5121
5/16"- 1/2" Telescoping Gage 4.2"

$5.80 GA-5122
1/2"- 3/4" Telescoping Gage 4.40"

$9.75 GA-5123
3/4"- 1 1/4" Telescoping Gage 4.40"

$7.50 GA-5124
1 1/4"- 2 1/8" Telescoping Gage 5.85"

$8.50 GA-5125
2 1/8"- 3 1/2" Telescoping Gage 5.85"

$9.50 GA-5126
3 1/2"- 6" Telescoping Gage 5.85"

Small Hole Gage Sets

Set measures .125" to .5" (.125-.200, .200-.300, .300-.400, .400-.500) - 4 gages in a case.
Gaging surface on model GA-SM290, GA-SM290E and MIT-154-901 is a half ball with a flat bottom, fully hardened.
Gaging surface on models GA-SM290F is a full ball with a flat bottom, fully hardened .
Knurled knob at end of handle is used for size adjustment.
Hole size is obtained by measuring over the contact points with a micrometer.
Quantity Price Model Description Made in Ball Style

$11.90 GA-SM290E
Small Hole Gage Set, Half Ball China Half

$11.90 GA-SM290F
Small Hole Gage Set, Full Ball China Full

$24.90 GA-SM290
Small Hole Gage Set, Half Ball-Japan Japan Half

$100.80 MIT-154-901
Small Hole Gage Set, Mitutoyo Japan Half

Pin Gage Sets

Each gage is marked with size and tolerance ( + or -).
Minus tolerance (most popular) is +0/- .0002".
Plus tolerance is -0/+ .0002".

In fitted plastic case. (except MC-3M where case style may vary).
Quantity Price Model Description Range # of gages

$29.90 MC-0M
.011"- .060" Minus Tolerance Pin Gage Set .011-.060" 50

$59.50 MC-1M
.061"- .250" Minus Tolerance Pin Gage Set .061-.250" 190

$99.50 MC-2M
.251"- .500" Minus Tolerance Pin Gage Set .251-.500" 250

$99.50 MC-3M
.501"- .625" Minus Tolerance Pin Gage Set .501-.625" 125

$99.50 MC-4M
.626-.750" Minus Tolerance Pin Gage Set .626-.750" 125

$59.50 MC-1P
.061"- .250" Plus Tolerance Pin Gage Set .061-.250" 190

$59.50 MC-15P
.0615"- .2505" Plus Tolerance Pin Gage Set .0615-.2505" 190

$99.50 MC-2P
.251"- .500" Plus Tolerance Pin Gage Set .251-.500" 250

$99.50 MC-3P
.501"- .625" Plus Tolerance Pin Gage Set .501-.625" 125

$99.50 MC-4P
.626"- .750" Plus Tolerance Pin Gage Set .626-.750" 125