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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 Sykes 014236-221 UNC/UNF/UNEF roller set used for?

A. It is a UNC/UNF/UNEF R36 roller set with 24 tpi, intended for use with Silbertool 01423600 thread reformer.

Q 2. How many imperial 24 tpi rollers come in each pack?

A. Each pack contains 3 rollers designed for 24 threads per inch UNC/UNF/UNEF threads.

Q 3. When should technicians use this 24 tpi roller set?

A. When repairing fine imperial threads on suitable studs or bolts that have 24 tpi pitch.

Q 4. Why is correct TPI identification critical in imperial thread repair?

A. Selecting incorrect TPI rollers can quickly damage the thread and compromise component integrity.

Q 5. How should mechanics confirm thread pitch before using this set?

A. Use a thread gauge or consult technical documentation to verify it is 24 tpi.

Q 6. How does this set expand the reformer’s use beyond metric threads?

A. It enables the same tool to repair a common imperial pitch across UNC, UNF and UNEF standards.

Q 7. What precautions ensure smooth reforming with this imperial roller set?

A. Ensure correct alignment, apply lubricant and maintain moderate, consistent pressure.

Q 8. How can workshops manage both metric and imperial roller sets effectively?

A. Organise them by system and pitch in clearly marked drawers or cases.

Q 9. Why is stocking imperial roller sets important for mixed-vehicle environments?

A. Many older or imported vehicles use imperial fasteners that occasionally require repair rather than replacement."

Q 10. What dimensions and weight are specified for this roller pack?

A. The pack is approximately 50 x 30 x 30 mm in size and weighs about 0.085 kg.

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