Dial Indicators
Optional Accessories for Digimatic and Dial Indicators and Linear Gages
Contact points, extension rod • After replacement, it must be tightened firmly to prevent looseness during use (recommended tightening torque: 50 N·cm).
• Carbide and ruby contact points are highly resistant to wear.
Standard contact point
Unit: mm
L
L
ø0.16 in (ø4)
ø0.118 in (ø3)
A
A
21BZB005
902018
A: 4-48UNF L
F
Carbide Sapphire
L
SR
21BZB005 — — — — — — 902018 131262 131263 131264 — 131265 131266 131267 — 131268 131269 131270 —
.25" .28"
.3" .6"
1"
Unit: mm
L
L
L
L
Sø3
Sø3
Sø3
Sø3
A
A
A
A
902119
21AZA320 21AZA321
21AZA319
Note: Contact points for water-proof indicators are equipped with a groove to locate the rubber boot.
A: M2.5×0.45
Material
Carbide
Ruby
Plastic
Without groove
With groove (water-proof type)
Without groove
Without groove
L (mm)
901312
—
120047
901994
7.3 8.3
21AZA319
902119
— — —
— — — — — — — — — —
—
21AZA320
12.1
21JAA225
— — —
14 15 17
120049
120051
21JAA224
— —
—
21AZA321
19.3
137391
— — — —
137392
20 22 25 30
21JAA226
—
120053
120055
21AAA252
21AAA253
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