As a tool of measuring the diameter of hole, good precision of ceramic pin gauge is strictly demanded. We are now supplying our products which have good quality and precise structure. For your information, the ceramic pin gauge has good wear resistance, long working life, good anti-corrosion performance and never rusty, so you can use them by your hand directly and do not need any special protect treatment. The precision is up to 0.5??, and expressly, our price is very competitive.

Quality character: Roughness ?? Ra0.20mm density ??6.0g/cm3, hardness ??HRc58, coefficient of friction is 0.1
Product precision: 0.001 mm, 0.002 mm, 0.0005mm.
Diameter: 1mm~30mm (interval is 0.01mm, also can manufactured as request)
Length: 30mm, 40mm, 50mm or special required by customers
Packaging: In bulk, in set (plastic/wooden box), spilled, pin gauge handle.
Customized design available