Technical Data:
Series: 126
Product type: Screw Thread Micrometer, Interchangeable Anvil/Spindle Tip Type
Application: Direct measurement of screw pitch diameter
Interchangeable anvil and spindle tips: Optional unless supplied as 126-90x kit model
Constant measuring force: Ratchet Stop
Metric / Unified thread angle: 60 deg
Whitworth thread angle: 55 deg
Measuring range: 0 - 1 in
Graduation: 0.001 in
Accuracy: +/-0.0002 in

Dimensions:
Equivalent nominal metric range=0 - 25 mm
b=25 mm
d=39 mm
Common drawing dimensions=18 mm; 25 mm; 2 mm; 15 mm; 66.9 mm
Spindle Dia.=6.35 mm
Body Dia.=18 mm
Mounting holes for interchangeable anvils/tips Dia.=3.5 mm

Optional:
126-800 Metric / Unified 60 deg tip set
126-810 Whitworth 55 deg tip set