Reference Gages
Radius Gages SERIES 186
Technical Data Accuracy:
• Radius size is stamped on each gage. • Both concave and convex radius gages become a pair. • With a locking clamp.
±.002”
186-105
SPECIFICATIONS Inch Range 1/32" - 17/64" 186-103
Order No. Composition of leaves
Remarks 90° arc 180° arc 180° arc
186-110
16 leaves: 1/32" - 17/64" by 64ths 15 pairs: 1/32" - 1/4" by 64ths 16 pairs: 17/64" - 1/2" by 64ths 16 leaves: 9/32" - 33/64" by 64ths
186-101
1/32" - 1/4"
17/64" - 1/2" 186-102 9/32" - 33/64" 186-104
90° arc
Metric
Order No. Composition of leaves
Range
Remarks
186-110 186-105 186-106
0.4 - 6mm
18 leaves: 0.4, 0.8, 1, 1.2, 1.5, 1.6mm, 1.75 - 3mm by 0.25mm, 3.5 - 6mm by 0.5mm 90° arc
E
1 - 7mm
34 pairs: 1 - 3mm by 0.25mm 3.5 - 7mm by 0.5mm
180° arc 180° arc 180° arc
7.5 - 15mm
32 pairs: 7.5 - 15mm by 0.5mm
15.5 - 25mm 186-107
15 pairs: 15.5 - 20mm by 0.5mm, 21 - 25mm by 1mm
Pitch Gages SERIES 188, 950
• Thread pitch size is stamped on each gage. • Metric, Unified, and Whitworth screw pitch gages.
Technical Data
Accuracy
188-101
TPI
Metric
Pitch (mm)
Angular ( minutes)
SPECIFICATIONS Metric Screw Pitch Gages (60˚) Range
4-6 6.35-4.23 ±0.05 ±35 7-12 3.63-2.12 ±0.05 ±40 13-25 1.95-1.02 ±0.05 ±45 26-48 0.98-0.53 ±0.05 ±50 60 0.42 ±0.05 ±60
Order No. Composition of leaves
0.25 - 2.5mm 188-153
28 leaves: 0.25, 0.30. 0.35, 0.40, 0.45, 0.50, 0.55, 0.60, 0.65, 0.70, 0.75, 0.80, 0.85, 0.90, 1.00, 1.10, 1.20, 1.25, 1.30, 1.40, 1.50, 1.60, 1.70, 1.75, 1.80, 1.90, 2.00. 2.50 mm 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 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 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
188-130
0.35 - 6mm
188-122 188-121
0.4 - 7mm 0.4 - 7mm
Unified Screw Pitch Gages (60˚) Range
Order No. Composition of leaves
4 - 42 TPI 188-111
30 leaves: 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 11-1/2, 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 (60˚) Range Order No. Composition of leaves 0.4 - 7mm / 4 - 42 TPI 188-151
51 leaves: Set of 188-122 and 188-111
0.5 - 6mm / 4 - 56 TPI 188-152
28 leaves: 4, 6, 8, 10, 11, 11-1/2, 12, 13, 16, 20, 28, 32, 40, 56 TPI 0.50, 0.75, 1.00, 1.25, 1.50, 1.75, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 5.00. 6.00 mm
Whitworth Screw Pitch Gages (55˚) Range
Order No. Composition of leaves
188-101
4 - 42 TPI
30 leaves: 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15, 16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42 TPI 28 leaves: 4, 4-1/2, 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
188-102
4 - 60 TPI
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