• Thread pitch is stamped on each gage.
  • Metric, Unified, and Whitworth screw pitch gages.

 

SPECIFICATIONS
Metric Screw Pitch Gages

Order No. Range Composition of leaves
188-130 0.35 – 6mm

22 leaves: 0.35, 0.4, 0.45, 0.5, 0.6, 0.7, 0.75, 0.8, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5,

6mm and 60° angle gage

188-122 0.4 – 7mm 21 leaves: 0.4, 0.5, 0.7, 0.75, 0.8, 0.9, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7mm
188-121 0.4 – 7mm 18 leaves: 0.4, 0.5, 0.75, 1, 1.25, 1.5, 1.75, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7mm

Unified Screw Pitch Gages

Order No. Range Composition of leaves
188-111 4 – 42 TPI

30 leaves: 4, 41/2, 5, 51/2, 6, 7, 8, 9, 10, 11, 111/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30,

32, 34, 36, 38, 40, 42 TPI

Note: Metric and Unified Pitch Gage Set (188-151) is available. It consists of 188-122 (Metric) and 188-111 (Unified).

Metric and Unified Screw Pitch Gage Set

Order No. Range Composition of leaves
188-151 0.4 – 7mm/4 – 42 TPI 51 leaves: Set of 188-122 and 188-111

Whitworth Screw Pitch Gages

Order No. Range Composition of leaves
188-101 4 – 42 TPI

30 leaves: 4, 41/2, 5, 51/2, 6, 7, 8, 9, 10, 11, 111/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30,

32, 34, 36, 38, 40, 42 TPI

188-102 4 – 60 TPI

28 leaves: 4, 41/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28, 30, 32, 34, 36,

40, 48, 60 TPI