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R8 Collets

Use these collets to securely hold round-shank tool bits in the R8 spindle of a milling machine. They have internal threads.
Collet Size | TIR (Total Indicated Runout) Accuracy | Workpiece Dia. Tolerance | Body Dia. | Overall Lg. | Internal Thread Size | Material | Each | |
Round | ||||||||
---|---|---|---|---|---|---|---|---|
13/16" | 0.0011" | -0.004" to 0" | 0.95" | 4.089" | 7/16"-20 | Steel | 0000000 | 000000 |
5C Collets

Round
These collets tightly grip workpieces when installed into a 5C collet chuck or holder. They provide a stronger hold on small workpieces than a standard lathe chuck.
Collet Size | TIR (Total Indicated Runout) Accuracy | Workpiece Dia. Tolerance | Body Dia. | Overall Lg. | Internal Thread Size | External Thread Size | Material | Each | |
Round | |||||||||
---|---|---|---|---|---|---|---|---|---|
13/16" | 0.0015" | -0.004" to 0" | 1 1/4" | 3.27" | 1.041"-24 | 1.238"-20 | Steel | 00000000 | 000000 |
16C Collets

Insert into a 16C collet chuck or holder to tightly grip round workpieces. They provide a stronger hold on small workpieces than a standard lathe chuck. These collets have both external and internal threads.
Collet Size | TIR (Total Indicated Runout) Accuracy | Workpiece Dia. Tolerance | Body Dia. | Overall Lg. | Internal Thread Size | External Thread Size | External Thread Pitch | Material | Each | |
Round | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
13/16" | 0.0015" | -0.004" to 0" | 1.89" | 4.31" | 1 11/16"-20 | M47.5 | 1.75mm | Steel | 00000000 | 000000 |