Collet Chuck ER40um Rego Fix Type Straight Shank Pack of 1 bap400r-c32-40-200l-3t they provide gripping power that

they provide gripping power that is double that of general brands

29 MEASURING HOLES- Identified drill bits from 1/16 Inch to 1/2 Inch in 1/64th increments

so you can just check the descriptions of sizes from other brands to fix this insert

Each ER11 collet has a range of (0

Holds all ER11 collets from 1 mm to 7 mmMade from alloy steel hardened to 54 – 56rcPrecision ground ID thread and taperHEX type has an ID thread of – M14X0

Collet Chuck ER40um Rego Fix Type Straight Shank Pack of 1 bap400r-c32-40-200l-3t they provide gripping power thatNote: Collet is not provided with the baby chuck. Cylindrical Shank Straight Shank Collet chuck also called Baby collet chuck because of small size and same chuck which comes in BT40 or big tapers, its very useful to increase length of a chuck and also used in turning machine where you have turret sleeve size smaller but straight, its also useful to OEM of machines like Multi Spindle machine and it comes in various sizes to fit in, from Smallest 8 mm