Micrometer Heads

Standard end, spherical end & reverse reading.
Accuracy:
Metric: ±2µm. Graduation: 0.01mm.
Imperial: ±0.0001". Graduation: 0.001".

Series 148

Interchangeable Rod Type

These are lightweight, well balanced and rigid. Satin-chrome finish with hardened, ground and lapped measuring screw. Each micrometer of less than 300mm (12") is supplied with convenient handle to reach into deep holes. The set also includes spacing collar, a series of precision measuring rods and a dull chrome plated micrometer head. Spacing collars are designed for making up for the limited stroke of the micrometer head. Each rod marked with length. Easily reset - adjustment positive and permanent. Anvil is made from high grade steel, hardened, precision ground, micro-lapped and adjustable. Spanner wrench supplied with each micrometer. Accuracy: Instrument Error: /-(6L/50) mu m; L maximum measuring length

Series 141

Internal Micrometers

Each model comprises a measuring head, a set of extension rods and a spacing collar to faciliatate alternative measuring ranges and have detachable extension handles. Supplied in a fitted case. Comply with BS 959.

Series 900

Mechanical Tube Micrometers - Enamelled Frame

For measuring wall thickness, collars, tubing etc. checking dimensions from inside holes to outside edges. Measuring faces are carbide tipped, anvil and spindle are hardened, precision ground and micro-lap finished. Glare-free satin chrome sleeve and thimble, ratchet stop and positive locking clamp. Instrument Error: /-3mm.

Series 115

One Spherical Face Type

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

Point Micrometers - Enamelled Frame

With 15 or 30 Pointed Anvils (0.3mm Point Radius), for measuring in areas of restricted access. Quick and easy wear adjustment, positive locking clamp and ratchet stop. Accuracy: Parallelism: 3 mu m. Instrument Error: (2L/75) mu m (fraction rounded up). Graduation: 0.001" (0.01mm) L Maximum measuring length. 1"/25mm 55.3mm, 2"/50mm 80.3mm

112 Series

External Micrometer Sets

With enamelled frame and tungsten carbide tipped anvils and fine adjustment ratchet. High quality fitted metal case.



Contents: 0-25mm, 25-50mm, 50-75mm & 75-100mm external micrometers, 25mm, 50mm & 75mm micrometer setting standards, 2 micrometer setting spanners.

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

Imperial

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

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