Friction Board

Set comprises masses of aluminium with slots, aluminium hanger with hook. Fine finish, masses removable and replaceable on hanger.

Horizontal reading, length one meter and width 25 mm. Double scale, one edge divided in inches and tenths and other in centimeters and millimeters also available graduated in vertical readings.

Micrometer Screw Gauge • Strong rugged metal construction. • Economical, suitable for all uses, teaching, demonstration, labs, machine shops. • Measuring screw handle, Satin finish with friction knurling for easy rotation. • With locking mechanism to hold measurements. • 25 x 1 mm, reads to 0.01 mm. • Supplied with hex wrench for zero adjustment and plastic case for storage.

Screw Gauge Micrometer Demonstration • About 200 mm long, made of aluminum. • Black spray painted individually packed. • Measurements are approximate