Knife-Point Inside Groove Digital Calipers
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Features:

Can measure narrow grooves in a hole.
Special order requires the following data:
1.The diameter of the hole
2.The distance from the groove to the orifice
3.The width of the groove
4.The depth of each groove
5.The shape of the groove bottom

Specifications:

Measuring Range Order No. Resolution Limit Error L a b c d e
14-150mm 113-101 0.01mm ±0.03mm 236 30 12 1 16 5
19-150mm 113-101-1 0.01mm ±0.05mm 236 60 17 1.5 16 6
25-150mm 113-101-2 0.01mm ±0.05mm 291 90 23 3 20 8
15-200mm 113-102 0.01mm ±0.04mm 290 40 13 1 16 5
23-200mm 113-102-1 0.01mm ±0.05mm 290 70 20 1.5 16 7
29-200mm 113-102-2 0.01mm ±0.05mm 347 100 27 3 20 10
17-300mm 113-103 0.01mm ±0.05mm 400 50 15 1.5 17 5
16-300mm 113-103-1 0.01mm ±0.06mm 400 80 24 1.5 17 8
33-300mm 113-103-2 0.01mm ±0.06mm 453 110 31 3.5 20 12
25-500mm 113-105 0.01mm ±0.06mm 670 90 23 1.5 24 6
35-500mm 113-105-1 0.01mm ±0.07mm 670 120 33 1.5 24 8
47-500mm 113-105-2 0.01mm ±0.07mm 670 150 45 2 24 20