Screw Thread Pitch Diameter Caliper Effective Diameter External Internal

Note:

1. The special Caliper need at least 20 days manufacturing. Any urgent order will be cancelled, Please do not place orders when you are in Urgent. 

2. Each Pitch need one caliper, 

3. External and Internal are different structure caliper

Measure the working and single pitch diameters of internal and external threads

Features:

---Special Jaw for measuring the screw thread

---Stainless Steel.

Specification:

Order NO.	Range	Resolution
STDC-3201A	2-100mm	0.01mm