Fixed Gauges - Screw Pitch Gauges

  • BRAND: Starrett (USA)

 

  • The most useful tools in any machinists’ tool box, as they quickly determine pitch of various threads.

 

  • Consist of a substantial steel case with a number of folding leaves at both ends, each leaf having teeth corresponding to a definite pitch, marked on each leaf.
Cat No Leaves TPI Range Thread per inch (TPI) Accuracy Description
155 27 2-1/4–28 2-1/4, 2-3/8, 2-1/2, 2-5/8,2-3/4, 2-7/8,  

With Locking Device

and 60° Center Gauge

      3,3-1/4, 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8,    
     

9, 10,11, 12, 13, 14, 16, 18, 20, 24, 28

   
484 28 3-1/2–36 3-1/2, 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10,    
      11, 11-1/2, 12, 13, 14, 15, 16, 18, 20,   With Locking Device
     

22, 24, 26, 27, 28, 30, 32, 34, 36

   
6 30 4–42 4, 4-1/2, 5, 5-1/2, 6, 7, 8, 9, 10, 11,  

With Locking Device and 11-1/2

and 27 Pipe Thread Pitches

      11-1/2, 12, 13, 14, 15, 16, 18, 20, 22,    
     

24, 26, 27, 28,30, 32, 34, 36, 38, 40, 42

   
474 28 4–80 4, 4-1/2, 5, 6, 7, 8, 9, 10, 11, 11-1/2, 12, +/- 0.05 mm/

With Locking Device and 11-1/2

and 27 Pipe Thread Pitch

      13,14, 16, 18, 20, 24, 27, 28, 32, 36, 40, +/- 0.002”  
      44, 48,56, 64, 72, 80 between any  
472 51 4–84 First Corner 17 Leaves: 4, 4-1/2, 5, 5-1/2, two teeth

with Locking Device and 11-1/2

and 27 Pipe Thread Pitch

      6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15,    
     

16, 18

   
     

Second Corner 17 Leaves: 20, 22, 24, 26,

   
      27,28, 30, 32, 34, 36, 38, 40, 42, 44, 46, 60° (+/-1°) for  
      48, 50 20 pitch and  
      Third Corner 17 Leaves: 52, 54, 56, 58, coarse  
     

60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80,

   
     

82, 84

   
473 30 6–60 6, 7, 8, 9, 10, 11, 11-1/2, 12, 13, 14, 15, (+/-2°) for finer

With Positive Stop and 11-1/2  

and 27 Pipe Thread Pitches

      16, 18, 20, 22, 24, 26, 27, 28, 30, 32, 34, than 20 pitch  
     

36, 38, 40, 42, 48, 50, 56, 60

   
476 30 3-1/2–60 3-1/2, 4, 4-1/2, 5, 6, 7, 8, 9, 10, 11, 12,   With Positive Stop
     

13, 14, 16, 18, 19, 20, 22, 24, 25, 26, 28

   
     

30, 32, 36, 40, 44, 48, 50, 60

   
156M 28 0.25-2.50mm 0.25, 0.30, 0.35, 0.40, 0.45, 0.50, 0.55, 0.60,   With Locking Device
     

0.65, 0.70, 0.75, 0.80, 0.85, 0.90, 1, 1.10,

   
     

1.20, 1.25, 1.30, 1.40, 1.50, 1.60, 1.70, 1.75,

   
     

1.80, 1.90, 2, 2.50

   
159M 28 0.5-11.5mm 0.5, 0.75, 1, 1.10, 1.25, 1.5, 1.75, 2, 2.5, 3,   With Locking Device and 60°
      3.5, 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9, 9.5,   Center Gauge
     

10, 10.5, 11, 11.5

   

 

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