RT/Dygert International

TOLERANCE TABLE FOR MOLDED RUBBER PRODUCTS DRAWING DESIGNATION "A2" (PRECISION)

“A2” tolerances are the norm for RT/Dygert custom molded parts, and indicate a precision industrial grade product. Molds must be precision machined and kept in good repair. Measurement methods are generally less complex than those required for “A1” products

Size of Dimension (mm) Fixed Closure Size of Dimension (in) Fixed Closure
Above Including Tol. Tol. Above Including Tol. Tol.
0.0 10.0 ±0.16 ±0.20 0.00 0.40 ±.006 ±.008
10.0 16.0 ±0.20 ±0.25 0.40 0.63 ±.008 ±.010
16.0 25.0 ±0.25 ±0.32 0.63 1.00 ±.010 ±.013
25.0 40.0 ±0.32 ±0.40 1.00 1.60 ±.013 ±.016
40.0 63.0 ±0.40 ±0.50 1.60 2.50 ±0.16 ±.020
63.0 100.0 ±0.50 ±0.63 2.50 4.00 ±0.20 ±.025
100.0 160.0 ±0.63 ±0.80 4.00 6.30 ±0.25 ±.032
160.0 multiply by 0.004 0.005 6.30 multiply by .004 .005