PITCH GAGE CODE – 4820

  • Check the pitch of screw thread
  • Accuracy: ±0.07mm
4820 4820_01

Metric 60° screw

Code Range Pitch of leaves included Quantity of leaves
4820-122 0.4 – 7.0mm 0.4, 0.5, 0.6, 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 22
4820-124 0.25 – 7.0mm 0.25, 0.3, 0.35, 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 24
4820-1241 0.25 – 6.0mm 0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 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, 6mm 24

Unified 60° screw

Code Range Pitch of leaves included Quantity of leaves
4820-230 4 – 42TPI 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, 42TPI 30

Whitworth  55° screw

Code Range Pitch of leaves included Quantity of leaves
4820-330 4 – 42TPI 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 22, 24, 26, 27, 28, 30, 32, 34, 36, 38, 40, 42TPI 30
4820-328 4 – 62TPI 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, 36, 40, 48, 60, 62TPI 28

Metric  60°  Whitworth  55°screw

Code Range Pitch of leaves included Quantity of leaves
4820-330

0.25 – 6.0mm

4 – 62TPI

0.25, 0.3, 0.35, 0.4, 0.45, 0.5, 0.6, 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, 6mm

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, 36, 40, 48, 60, 62TPI

52
4820-450

0.4 – 7.0mm

4 – 62TPI

0.4, 0.5, 0.6, 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

4, 4-1/2, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 16, 18, 19, 4 – 62TPI 20, 22, 24, 25, 26, 28, 30, 32, 36, 40, 48, 60, 62TPI

50

Metric  60°  Unified  60°screw

Code Range Pitch of leaves included Quantity of leaves
4820-552

0.4 – 7.0mm

4 – 42TPI

0.4, 0.5, 0.6, 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

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, 42TPI

52

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PITCH GAGE CODE – 4824

  • Check the pitch of screw thread
  • Accuracy: ±0.07mm
4824 4824_01

 

Code Range Thread type Pitch of leaves included Quantity of leaves
4824-12 2 – 20mm Tr 30° 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 16, 20mm 12
4824-16 1 – 12TPI ACME 29° 1, 1-1/3, 1-1/2, 1-3/4, 2, 2-1/2, 3, 3-1/2, 4, 5, 6, 7, 8, 9, 10, 12TPI 16

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THREAD GAGE CODE – 4812

  • To check and set screw cutting tools
  • Angle accuracy: ±10 min.
4812 4812_01 4812_02

 

Code Range Thread type Pitch
4812 12 2 – 2mm Tr 30° 2, 3, 4, 5, 6, 7, 8, 9, 10, 12mm
4812 E 1 10TPI ACME 29° 1, 1-1/3, 1-1/2, 1-3/4, 2, 2-1/2, 3, 4, 5, 6, 7, 8, 9, 10TPI

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