Mechanical Digital Micrometers

With drop forged steel frame, micro-lapped Tungsten Carbide tipped measuring faces and constant force ratchet. Accuracy: 0-75mm /- 2 mu m, 75-150mm /- 3 mu m. Flatness: 0.6 mu m for up to 300mm. Parallelism: (2L/100) mu m (fraction rounded down). Counter to 0.01mm (.001"). Vernier scale graduated to 0.001mm (.0001").
L maximum measuring length

Series 193

Metric

Enamelled Frame External Micrometers

Economy type with carbide tipped anvils. Accuracy: Flatness: 0.6mm for up to 300mm (12"), 1.0mm for up to 300-500mm (12-20"). Parallelism: 2L/100)mm (fraction rounded down). L maximum measuring length

103 Series

Ratchet Thimble

Blade Micrometers - Satin Chrome Finished Frame

For the measurement of narrow grooves in forming tools, shaft diameters, keyways, splines, etc. The spindle is non-rotating, the anvils hardened and precision lapped. Made of forged steel the frame is fitted with heat plates. The sleeve and thimble are satin finished. Blade thickness: 0.030" (0.75mm). Measuring Depth: 0.25" (6.5mm). Parallelism: 0.00012"/3mm up to 2"/50mm. (3L/100)mm, (0.000120.00004L/4)" for models over 2"/50mm. Graduation: 0.0001" (0.01mm). Blade dimensions: a: 0.256" (6.5mm), b: 0.236" (6mm), c: 0.030" (0.75mm). Accuracy: /-3mm for up to 75mm, /-4mm for 75-100mm

122 Series

Accuracy:
3mm for up to 75mm.
4mm for 75 - 100mm.

Micrometer Setting Standards

For zero adjustment of outside micrometers. Accuracy: Flatness: within 0.3 mu m. Parallelism: within 2 mu m

167 Series (Micrometer NOT included)

Disc Micrometers - Enamelled Frame

For measuring a displacement over a given number of gear teeth, closely spaced sections, ribs, keys and fins etc. Measurable gear pitch: 0.5-6 module. Graduation: 0.01mm (.001"). Accuracy: Parallelism: 0-50mm 4 mu m, 50-100mm (4L/50) mu m. Flatness: 1 mu m. Instrument Error: 0-50mm /-4 mu m, 50-100mm /-6 mu m. L maximum measuring length

123 Series

Enamel Finish Interchangeable Anvil Micrometers

With one-piece carbide tip spindle and interchangeable hardened anvils with ground threads. Micro-lapped anvil and spindle faces, perforated frame with enamel finish. Supplied with standards, ratchet stop, positive locking clamp and supplied in a wooden or plastic (depending on size) storage case. Accuracy: Flatness: 0.6mm up to 300mm, 1.0mm up to 300 - 1000mm. Parallelism: (2L/100)mm (fraction rounded down.) Instrument Error: /-(4L/75)mm (fraction rounded up.) L maximum measuring length.

Series 104

Screw Thread Micrometer

Interchangeable V-anvils allow various pitches to be measured with a single micrometer. With ratchet stop. Accuracy: 0-75mm /-4 mu m, 75-100mm /-5 mu m. Anvils supplied separately.

126 Series

Enamel Finish Interchangeable Anvil Micrometers

With one-piece carbide tip spindle and interchangeable hardened anvils with ground threads. Micro-lapped anvil and spindle faces, perforated frame with enamel finish. Supplied with standards, ratchet stop, positive locking clamp and supplied in a wooden or plastic (depending on size) storage case. Accuracy: Flatness: 0.6mm up to 300mm, 1.0mm up to 300 - 1000mm. Parallelism: (2L/100)mm (fraction rounded down.) Instrument Error: /-(4L/75)mm (fraction rounded up.) L maximum measuring length.

Series 104

External Micrometers with Heat Shield

Tapered (on anvil side) for hard to reach places. Supplied without measuring standards. Tungsten Carbide tipped anvils. Accuracy: Flatness: 0.6 mu m for 0.01mm (0.001") graduation, 0.3 mu m for 0.001mm (0.0001") graduation. Parallelism: 1 mu m for 0-25mm (0-1") Models, 2 mu m for 25-50mm (1-2") Models. Instrument Error: /-2 mu m.

102 Series

Screw Thread Micrometer

Anvils

126 Series