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B-45
øb
øa
Clamp
øc
L
67
L
a
Clamp
øb
B
Small Hole Gage Set
SERIES 154
Telescoping Gage Set
SERIES 155
FEATURES
• Two sprung leaves are fully expanded
inside a small hole so that the hole
diameter can be measured with an outside
micrometer after extraction.
SPECIFICATIONS
Metric
Total range Order No. Gages included
ø3 - 13mm
(4-gage set)
154-902 ø3 - 5mm (154-101)
ø5 - 7.5mm (154-102)
ø7.5 - 10mm (154-103)
ø10 - 13mm (154-104)
Inch
Total range Order No. Gages included
.125" - .5"
DIA.
(4-gage set)
154-901 ø.125 - .2" (154-105)
ø.2 - .3" (154-106)
ø.3 - .4" (154-107)
ø.4 - .5" (154-108)
FEATURES
• A spring loaded plunger expands within
a bore (or groove) and is locked in place,
allowing measurement of
diameter (or width) with an
outside micrometer after extraction
from the feature.
• Knurled finish provides a secure
grip and easy locking.
• Each set includes all 6 sizes of
gage in a fitted case.
SPECIFICATIONS
Metric
Total range Order No. Gages included
8 - 150mm
(6-gage set)
155-905 8 - 12.7mm (155-127)
12.7 - 19mm (155-128)
19 - 32mm (155-129)
32 - 54mm (155-130)
54 - 90mm (155-131)
90 - 150mm (155-132)
Inch
Total range Order No. Gages included
.313" - 6"
(6-gage
set)*
155-903 .313" - .5" (155-121)
.5" - .75" (155-122)
.75" - 1.25" (155-123)
1.25" - 2.125" (155-124)
2.125" - 3.5" (155-125)
3.5" - 6" (155-126)
*4-gage set (Total range: .313" - 2.125" (155-907)) and 5-gage set (Total range:
.5" - 6" (155-904)) are also available.
DIMENSIONS
Unit: mm
155-905
DIMENSIONS
Unit: mm
154-902
• Each set includes all 4 sizes of gage in a
fitted case.
• Extra long for gaging deep and shallow
holes, slots, and similar workpieces.
• Gaging surfaces are fully hardened to
insure long tool life.
Order No. L a b c
155-127 / 121 110 4 3 5
155-128 / 122 110 5 3.5 5.5
155-129 / 123 110 5 3.5 5.5
155-130 / 124 150 7.5 6 8
155-131 / 125 150 7.5 6 8
155-132 / 126 150 7.5 6 8
Order No. L a b
154-101 / 105 90 22.5 5.5
154-102 / 106 97.6 30 5.5
154-103 / 107 108 40 8.5
154-104 / 108 108 40 8.5
