Mitutoyo Holtest (Type II) Three-Point Internal Micrometers, Series 368, Inch Sets

• The Holtests (type II) have three contact points made of alloyed steel
• Measurement can be taken closer to the bottom of the blind bore
• Can measure deep holes using an Extension Rod (optional)
• With Ratchet Stop for constant force
• Setting Rings for zero point adjustment are optional
• Supplied in fitted plastic case up to 100mm / 4. Over 100mm / 4 supplied in wooden case

Technical Data:

• Graduation: 0.005mm or .0002″
• Measuring method: Three-point method
• Contact point: Harden Steel

Optional Accessories:

• # 952621: Extension rod 150mm / 5.9 For range 12-20mm / .5 – .8 models
• # 952622: Extension rod 150mm / 5.9 For range 20-50mm / .8 – 2 models
• # 952623: Extension rod 150mm / 5.9 For range 50-300mm / 2 – 12 models

Specifications:

Item Number 368-995 368-996 368-997 368-998 Range 0.5 – 0.8″ 0.8 – 2″ 2 – 4″ 4 – 8″ Rings Included 0.65″ DIA. 1″ DIA.
1.6″ DIA. 2.5″ DIA.
3.5″ DIA. 5″ DIA.
7″ DIA Indiv Range 0.5 – 0.65″
0.65 – 0.8″ 0.8 – 1″
1 – 1.2″
1.2 – 1.6″
1.6 – 2″ 2 – 2.5″
2.5 – 3″
3 – 3.5″
3.5 – 4″ 4 – 5″
5 – 6″
6 – 7″
7 – 8″ Includes Extension Rod Extension Rod Extension Rod Extension Rod