DIE

https://search.bvmuseum.org/link/artifacts1606
Material
METAL-STEEL;
Description
Collet and die is a circular object open at one end with teeth inside for rethreading. Two screws on side and one empty screw hole. Visible markings 'B & Co.' '7/8' 'U.S. STD.' '9' on die inner piece and 'DERBY' 'BUTTERFIELD & CO. DERBY LINE VT' on collet, the outer piece.
Other Names
COLLET & DIE
Category
TOOLS AND EQUIPMENT FOR MATERIALS
Sub-Category
METALWORKING TOOLS AND EQUIPMENT
Description
Collet and die is a circular object open at one end with teeth inside for rethreading. Two screws on side and one empty screw hole. Visible markings 'B & Co.' '7/8' 'U.S. STD.' '9' on die inner piece and 'DERBY' 'BUTTERFIELD & CO. DERBY LINE VT' on collet, the outer piece.
History Of Use
Collet and die are used for rethreading work 7/8" and smaller. One piece adjustable split die. Die adjusted by countersunk set screw. Die can be used in lath or machine by reversing it in the collet.
Material
METAL-STEEL;
Height
4.3
Diameter
Top: 7 Base: 5
Circumference
22
Units Of Measurement
Centimeters
Accession No.
1996.0081.0001
Type of Record
Museum Artifact
Less detail