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Technical Specification
PRODUCT NUMBER 014311-109014311-103014311-104014311-105014311-106014311-108014311-125014216-303014236-203014216-304014236-204014216-305014236-205014216-306014216-307
Type KitKitKitKitKitKitSpare PartKitRollerKitKitKitKitKitKit
Size 3mm1mm1.25mm1.5mm1.75mm2.5mm0.8mm1.0mm1.25mm1.25mm1.5mm1.5mm1.75mm
Format SetSetSetSetSetSetSetSetSetSetSetSetSet
Size Range Up to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mmUp to 10mm

Q 1. What is the main purpose of the 014216-322 UNC/UNF/UNEF roller set R16-28tpi?

A. It is a three-piece R16 roller set for 28tpi UNC, UNF and UNEF threads, designed for the 01421600 thread reformer.

Q 2. With which specific tool is this roller set used?

A. It is used with the Silbertool 01421600 thread reformer body.

Q 3. When should technicians select the 28tpi imperial roller set?

A. When repairing imperial fasteners known to have 28tpi UNC, UNF or UNEF threads.

Q 4. How should these rollers be stored for quick, accurate selection?

A. Store in a labelled container indicating “UNC/UNF/UNEF 28tpi” alongside other roller sets.

Q 5. Why is correct tpi matching important in thread reforming?

A. Incorrect pitch can misalign rollers and damage threads rather than repairing them.

Q 6. How does this roller set help maintain imperial-threaded components?

A. It enables damaged threads to be reshaped accurately, reducing scrap and replacement costs.

Q 7. What maintenance should be carried out between uses?

A. Remove metal debris, keep the rollers dry and inspect for visible damage before reinstalling."

Q 8. Which thread standards and pitch does this roller set support?

A. It supports UNC, UNF and UNEF imperial threads with a pitch of 28 threads per inch.

Q 9. What are the approximate dimensions and weight of this roller pack?

A. It measures about 53 x 15 x 17mm and weighs approximately 0.019 kilograms.

Q 10. Can this roller pack be used for metric or British threads?

A. No, it is specifically for imperial forms; other thread systems use different rollers.

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