800.253.0820
3977 Emerald Dr., Kalamazoo, MI 49001
Crawford B-42 Spring Series 173E Collets (inch)
Table Test
Dimensions (see Accuracy Chart on Page 100 in our Product Catalog)
A B C D
1.89" 3.7" 2.36" 15°
SizeRound* HexSquare
1/16"4728-R-1/164728-X-1/164728-S-1/16
1/8"4728-R-1/84728-X-1/84728-S-1/8
3/16"4728-R-3/164728-X-3/164728-S-3/16
1/4"4728-R-1/44728-X-1/44728-S-1/4
5/16"4728-R-5/164728-X-5/164728-S-5/16
3/8"4728-R-3/84728-X-3/84728-S-3/8
7/16"4728-R-7/164728-X-7/164728-S-7/16
1/2"4728-R-1/24728-X-1/24728-S-1/2
9/16"4728-R-9/164728-X-9/164728-S-9/16
5/8"4728-R-5/84728-X-5/84728-S-5/8
11/16"4728-R-11/164728-X-11/164728-S-11/16
3/4"4728-R-3/44728-X-3/44728-S-3/4
13/16"4728-R-13/164728-X-13/164728-S-13/16
7/8"4728-R-7/8_4728-X-7/84728-S-7/8
15/16"4728-R-15/164728-X-15/164728-S-15/16
1"4728-R-14728-X-14728-S-1
1-1/16"4728-R-1-1/164728-X-1-1/164728-S-1-1/16
1-1/8"4728-R-1-1/84728-X-1-1/84728-S-1-1/8
1-3/16"4728-R-1-3/164728-X-1-3/164728-S-1-3/16
1-1/4"4728-R-1-1/44728-X-1-1/4-
1-5/16"4728-R-1-5/164728-X-1-5/16-
1-3/8"4728-R-1-3/84728-X-1-3/8-
1-7/16"4728-R-1-7/16- -
1-1/2"4728-R-1-1/2--
1-9/16"4728-R-1-9/16--
1-5/8"4728-R-1-5/8--
Emergency Collet P/N "550
*To order Round Plain Bore Collets replace R with RP in part number: Example: 4728-RP-1/16