Oxford Precision™ External Micrometers

With enamelled frame and tungsten carbide tipped anvils. High quality fitted metal case with adjusting spanner. Sizes 25-50mm/1-2" and over supplied with setting standard. All supplied in a high quality fitted metal case. Manufactured to BS 870.

Metric

Tubular Extension Sets - Pipe Type

Each set consists of inside micrometer head and a series of extension pipes of different length, which are hardened, ground, micro-lapped and heat insulated. Satin chrome finished head with positive locking clamp and carbide measuring faces. All sets include micrometer head. Accuracy: Micrometer head stroke: 25mm (1"). Graduation: 0.01mm (.001"). Instrument Error: /-(3qty of rod L/50) mu m. L Maximum measuring length

Series 139

External Micrometers - Mechanical

All have hardened steel or tungsten carbide measuring faces with a choice of standard or vernier type sleeve. Fitted with a 6.8mm spindle diameter, speeder type ratchet and locking lever. Supplied with an adjusting key. Comply with BS870, DIN863/1, ISO361

965 Series

Blue textured tapered bow frame. Supplied in a durable plastic pocket case.

Sheet Metal Micrometers U-Type - Enamelled Frame

For gauging sheet metal, fibre etc with a deep throat frame. The measuring faces are carbide tipped. Accuracy: Graduation: 0.001" 0.01mm. Flatness: 150mm throat depth 0.6 mu m. 300mm throat depth 1 mu m. Instrument Error: 150mm throat depth /-4 mu m. 300mm throat depth /-5 mu m. Parallelism: 3 mu m

Series 118

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)

External Micrometers - Mechanical

All have hardened steel or tungsten carbide measuring faces with a choice of standard or vernier type sleeve. Fitted with a 6.8mm spindle diameter, speeder type ratchet and locking lever. Supplied with an adjusting key. Comply with BS870, DIN863/1, ISO361

1961 Series

Pearl chrome plated tapered bow frame with insulation pads. Supplied in a durable plastic pocket case.

Micrometer Setting Standards

For setting external micrometers, calipers etc. to zero, providing accurate repeatability of measurements. Flat, lapped measuring ends with fitted heat insulation block.
Manufactured to BS 870.

167 Series (Micrometer NOT included)

Tubular Extension Sets - Pipe Type

Each set consists of inside micrometer head and a series of extension pipes of different length, which are hardened, ground, micro-lapped and heat insulated. Satin chrome finished head with positive locking clamp and carbide measuring faces. All sets include micrometer head. Accuracy: Micrometer head stroke: 25mm (1"). Graduation: 0.01mm (.001"). Instrument Error: /-(3qty of rod L/50) mu m. L Maximum measuring length

Series 139

Enamelled Frame External Micrometer Sets

Economy type with carbide tipped anvils. Supplied complete with measuring standard.

Accuracy: Flatness: 0.6um for up to 300mm (12").
Parallelism: (2plusL/100)um (fraction rounded down). Instrument Error: plus/minus(1plusL/75)um (fraction rounded up).
Graduation: 0.01mm/.001".
L equals maximum measuring length.

103 Series

Inch
Range: 0-12".
Set contents: 0-1, 1-2, 2-3, 3-4, 4-5, 5-6, 6-7, 7-8, 8-9, 9-10, 10-11, 11-12" plus 11 Standards.
Weight: 10.1kg.