5C 2" Emergency Extra Depth (1-1/4") Step Chuck - No Slots

The 5C Blank Step Chuck is not split, nor does it have a pilot hole. These items are soft and machinable, yet are not "emergency" style.

Specifications

• A: 2-3/4"
• B: 3-1/4"
• Max Bore Depth: 1-1/4"

Regular-Depth Step Chucks are 3⁄8" larger, while Extra-Depth Step Chucks are 3⁄4" larger in diameter than the rated size so the full capacity bore may be easily machined. A regular-depth step chuck can be bored to a maximum depth of 1⁄2", the extra-depth step chuck to a maximum depth of 11⁄4" with 13⁄4" step for the 25C step chuck. A regular- or extra-depth step chuck closer is required for each rated size.

Forkardt Hardinge Emergency Step Chucks are not designed to be heat treated by the customer. Step chucks with small closing angles are available for use with stationary (non-rotating) workholding devices only. All 5C taper and threaded-nose closers are made from cast iron. All other closers are made of steel.

Replacement Pins Part 77230000000000. Spanner Wrench for Step Chuck Closers Part 4600009189.

CAUTION: Closers are required for all rotating step chuck applications. 

• Machinable Diameter: 2
• Pilot Hole Size: No Pilot Hole
• Slots: No Slots
• Max Bore Depth: 1-1/4"
• Order Hole Shape: Emergency
• Style: 5C