Performance

Series 550

4 - 6FL | Slow Spiral | 45° Chamfer

Solid Carbide Spiral Flute Chucking Reamer

Overview

≤1/4 Diameter Tolerance = +0/+0.0002"
>1/4 Diameter Tolerance = +0/+0.0003"
Expand an existing hole to a precise size or create a perfect hole finish
Reduced neck for through-hole clearance
Best suited for blind holes
Helical flute geometry pulls chips up out of the hole
View Speed and Feed

Features

Applications

Work Materials

Series Data

Part	diasize	diadec	loc_in_display	oal_in_display	shank_dia_in_display	helix	Stock
550-001003	(.0404) 3/64	(.0468) 0.0468	(.3750) 3/8	(1.5) 1-1/2	(.0404) 3/64	15	0
550-001004	(.0625) 1/16	(.0625) 0.0625	(.3750) 3/8	(1.5) 1-1/2	(.0625) 1/16	15	0
550-001005	(.0781) 5/64	(.0781) 0.0781	(.2500) 1/4	(1.75) 1-3/4	(.0781) 5/64	15	0
550-001006	(.0938) 3/32	(.0938) 3/32	(.5000) 1/2	(2) 2	(.0938) 3/32	15	0
550-001007	(.1094) 7/64	(.1093) 0.1093	(.6250) 5/8	(2.25) 2-1/4	(.1094) 7/64	15	0
550-001008	(.1250) 1/8	(.1250) 1/8	(.6250) 5/8	(2.25) 2-1/4	(.1250) 1/8	15	0
550-001009	(.1406) 9/64	(.1406) 0.1406	(.75) 3/4	(2.5) 2-1/2	(.1406) 9/64	10	0
550-001010	(.1563) 5/32	(.1563) 5/32	(.75) 3/4	(2.5) 2-1/2	(.1563) 5/32	10	0
550-001011	(.1719) 11/64	(.1718) 0.1718	(.8750) 7/8	(2.75) 2-3/4	(.1719) 11/64	10	0
550-001012	(.1875) 3/16	(.1875) 3/16	(.8750) 7/8	(2.75) 2-3/4	(.1875) 3/16	10	0
550-001013	(.2826) 9/32	(.2031) 0.2031	(1) 1	(3) 3	(.2826) 9/32	10	0
550-001014	(.2188) 7/32	(.2187) 0.2187	(1) 1	(3) 3	(.2188) 7/32	10	0
550-001015	(.2344) 15/64	(.2343) 0.2343	(1) 1	(3) 3	(.2344) 15/64	10	0
550-001016	(.2500) 1/4	(.2500) 1/4	(1) 1	(3) 3	(.2500) 1/4	10	0
550-001017	(.2656) 17/64	(.2656) 0.2656	(1.125) 1-1/8	(3.25) 3-1/4	(.2656) 17/64	10	0
550-001018	(.2813) 9/32	(.2812) 0.2812	(1.125) 1-1/8	(3.25) 3-1/4	(.2813) 9/32	10	0
550-001020	(.3125) 5/16	(.3125) 0.3125	(1.125) 1-1/8	(3.25) 3-1/4	(.3125) 5/16	10	43
550-001024	(.3750) 3/8	(.375) 0.3750	(1.25) 1-1/4	(3.5) 3-1/2	(.3750) 3/8	10	97
550-001026	(.4063) 13/32	(.4062) 0.4062	(1.25) 1-1/4	(3.5) 3-1/2	(.4063) 13/32	10	47
550-001028	(.4375) 7/16	(.4375) 0.4375	(1.375) 1-3/8	(4) 4	(.4375) 7/16	10	28
550-001032	(.5000) 1/2	(.5) 0.5000	(1.5) 1-1/2	(4) 4	(.5000) 1/2	10	29