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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 014216-324 UNC/UNF/UNEF roller set R16-20tpi?

A. It is a three-piece R16 roller set for 20tpi UNC, UNF and UNEF threads, intended for use with the 01421600 thread reformer.

Q 2. When should technicians select the 20tpi roller set?

A. When repairing UNC/UNF/UNEF fasteners whose pitch has been identified as 20 threads per inch.

Q 3. How should this roller pack be stored to remain clearly identifiable?

A. Store it labelled “UNC/UNF/UNEF 20tpi” alongside other pitch-specific packs.

Q 4. Why is accurate roller pitch important in thread reforming processes?

A. Accurate pitch alignment ensures rollers track existing grooves properly, avoiding new damage.

Q 5. How does this roller set help workshops reduce hardware waste?

A. It enables the reforming of worn or damaged imperial threads, reducing the need for new fasteners.

Q 6. What maintenance practices help keep this roller set effective?

A. Remove swarf after use, protect from moisture and check for surface damage regularly."

Q 7. Which thread standards and pitch are supported by this roller set?

A. It supports imperial UNC, UNF and UNEF threads at 20 threads per inch.

Q 8. With which tool is this roller pack used?

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

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

A. It measures around 53 x 15 x 17mm and weighs roughly 0.019 kilograms.

Q 10. Can this roller set be used on metric or British threads?

A. No, it is specifically for UNC/UNF/UNEF threads and must not be used on other standards.

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