Engineering Gauges > Screw Pitch Gauge > Acme Screw Pitch Gauge [Model-APG]
Acme Screw Pitch Gauge
SKU: Model-APG
RANGE: 0n to 1n (16 blades)°
ACCURACY: 10.04 mm.
FINISH: POLISHED BY TUMBLING
To determine the TPI of Acme Threads of leadscrew. Gauge made of stainless Steel by EDM Wire cutting and fine blanking process. Gauge have 16 blades Duly fine edge profiled, Numbered TPI size on each blade. Useful gauge in toolroom to check the leadscrew threading tool and to inspect the leadscrew. Gauge is packed Plastic Box with Acme thread data sheet for Instant reference.
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IMPORTANT :
THREAD FORMULAS
PITCH = 25.4 /TPI
DEPTH (D) = 0.5 P + 0.25mm
T = 0.3707 P
| SR. NO. | T.P.I. | THREAD PITCH mmv | THREAD DEPTH mm |
| 1 | 1 | 25.4 | 12.95 |
| 2 | 1 1/3 | 19.05 | 9.775 |
| 3 | 1 1/2 | 16.933 | 8.716 |
| 4 | 1 3/4 | 14.514 | 7.507 |
| 5 | 2 | 12.7 | 6.6 |
| 6 | 2 1/2 | 10.16 | 5.33 |
| 7 | 3 | 8.466 | 4.483 |
| 8 | 3 1/2 | 7.257 | 3.878 |
| 9 | 4 | 6.35 | 3.425 |
| 10 | 5 | 5.08 | 2.79 |
| 11 | 6 | 4.233 | 2.366 |
| 12 | 7 | 3.628 | 2.064 |
| 13 | 8 | 3.175 | 1.837 |
| 14 | 9 | 2.822 | 1.661 |
| 15 | 10 | 2.54 | 1.52 |
| 16 | 12 | 2.116 | 1.308 |
PACKING :
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