HSS HAND EXPANSION REAMER, RIGHT HAND SPIRAL FLUTE ,FRACTIONAL SIZE

hand expansion reamers

Hand Expansion Reamers are designed to enlarge reamed holes by a few thousandths. The pilot and guide on
these reamers are ground slightly undersize for clearance and to guide reamer. The flutes also have a ground
starting taper to help guide reamer into hole. Reamer can be expanded slightly by turning adjusting screw on end
of reamer.

Diameter size (in.)

Length Overall (in.)

Length Of Flute (in.)

13/32
4-1/2
1-3/4
7/16
4-1/2
1-3/4
15/32
5
1-13/16
1/2
5
1-13/16
17/32
5-1/2
2-1/8
9/16
5-1/2
2-1/8
19/32
6
2-1/2
5/8
6
2-1/2
21/32
6-1/4
2-1/2
11/16
6-1/4
2-1/2
23/32
6-9/16
2-11/16
3/4
6-9/16
2-11/16
25/32
7-1/16
3-1/16
13/16
7-1/16
3-1/16
27/32
7-1/2
3-5/16
7/8
7-1/2
3-5/16
29/32
7-7/8
3-9/16
15/16
7-7/8
3-9/16
31/32
8-3/8
3-3/4
1
8-3/8
3-3/4
1-1/16
8-11/16
4
1-1/8
9
4-1/8
1-3/16
9-3/8
4-1/4
1-1/4
9-3/4
4-3/8
1-5/16
10-1/8
4-1/2
1-3/8
10-1/2
4-9/16
1-7/16
10-7/8
4-3/4
1-1/2
11-1/8
4-13/16