IS 11835 : Part 1 : 2005 Tool Chucks (End Mill Holders) with Clamp Screws for Flatted Cylindrical Shank Tools : Part 1 - Dimensions of the Driving System of Tool Shanks

1 Scope

This standard (Part 1) lays down the dimensions of tool chucks (end millholders) with clamp screws designed for driving flatted cylindrical shanksin accordance with IS 8692 and specifies the clamps screws used. It alsogives the maximum diameter of the chuck nose.

This standard defines two types of drive:

a) chucks with bores of d₁� 20 mm intended for driving cylindrical shanktools with a single flat, these tools being provided with either a singleor a double cutting part; and

b) chucks with bores of d₁ ≥ 25 mm intended for driving cylindrical shanktools with a double flat, these tools being provided with a single cuttingpart only.

Note - The connecting dimensions of the various types of chucks and thedesignation of tool chucks (end mill holders) with clamp screws are dealtwith in IS 11835 (Part 2).

2 References

IS 8692 : 1978 Dimensions for parallel shanks for milling cutters

IS 11835 : Part 2 : 2004 Tool chucks (end mill holders) with clamp screws for flatted cylindrical shank tools: Part 2 Connecting dimensions of chucks and designation