reamer - side view
- Reaming -
The process of widening or smoothing the interior surface of a hole using a special tool.

Used the categorized links below to find the tools you need.

Choose a Reaming Tool Category
COUNTERBORES
CAPSCREW
Cap Screw Counterbores are designed to create a recess for socket head cap screws and shoulder screws. They are also used for spot facing smaller spots, enlarging or cleaning holes. Solid pilot will not score or damage pilot hole. Cutting action is chatterless.

3 FLUTE Cap Screw Counterbores page 182
3 FLUTE Cap Screw Counterbores - METRIC page 182
FILISTER TYPE
Fillister Head Screw Counterbores are designed to create a recess for small fillister and flat head machine screws. Solid pilot will not score or damage pilot hole. Cutting action is chatterless.

FILISTER HEAD Screw Counterbores page 180A
INTERCHANGABLE
Interchangeable counterbores are designed to create a recess for a cap screw, spring or bolt. They are used with interchangeable pilots ground to fit various hole sizes to be counterbored.

STRAIGHT SHANK Interchangeable Counterbores page 180
TAPER SHANK Interchangeable Counterbores page 180
PILOTS
Interchangeable counterbore pilots are used with interchangeable pilot style counterbores and spot facers, including carbide tipped and aircraft counterbores to produce various combinations of sizes. All counterbore pilots have flat on one side of shank.

COUNTERBORE PILOTS page 181
COUNTERBORE STEP DRILLS
Counterbore Step Drills are designed to do two jobs in a single pass. They are used to drill a hole with a counterbore, countersink, or chamfer.

STEP DRILLS Step Drills page
COUNTERSINKS
Countersinks are use designed to produce accurate center holes in components which require matching between centers.

HIGH SPEED STEEL
0 flute - DEBURRING page 184
1 flute - COUNTERSINK page 184
1 flute - LONG REACH (EXTENDED) page 187C
3 flute - CENTER REAMER page 185
4 flute - MACHINE COUNTERSINK page 185
6 flute - CHATTERLESS page 186
6 flute - LONG REACH (EXTENDED) page 187C
Indexable Countersinks page 187A
SOLID CARBIDE
1 flute page 187
3 flute page 187
6 flute page 187
COUNTERSINK SETS
0 flute sets page 186
1 flute sets page 186
3 flute sets page 186
4 flute sets page 186
6 flute sets page 186
COMBINED DRILL & COUNTERSINKS
Combined Drill & Countersinks are designed to produce accurate center holes in components which require machining between centers.

BELL TYPE page 115
LONG LENGTH page 115

PLAIN TYPE
FRACTIONAL page 114
METRIC page 182C
LEFT HAND page 182A
COBALT page 119
SOLID CARBIDE page 119
REAMERS
BRIDGE REAMERS
Bridge Reamers are designed for use in structural steel fabrication bridge work, and ship construction to line up bolt and rivet holes.

ROUND SHANK Bridge Reamers page 200
TAPER SHANK Bridge Reamers page 200
CAR REAMERS
Car Reamers are designed with a short flute and overall length to permit use in cramped quarters or where a Bridge Reamer would be too long. They are primarily used to repair railroad cars and for construction work, especially involving the rectification of misaligned holes.

HEX SHANK Car Reamers page 199
ROUND SHANK Car Reamers page 198
TAPER SHANK Car Reamers page 198
CHUCKING REAMERS
Chucking Reamers are designed for general purpose reaming of most ferrous and non-ferrous metals. The cutting edge is ground with a 45 degree chamfer angle for easy hole entry.

CARBIDE TIPPED Chucking Reamers page 190
COBALT Chucking Reamers page 10
DECIMAL SIZE Chucking Reamers page 192
DOWEL PIN SIZE Chucking Reamers page 191
EXTRA LONG Chucking Reamers page 193
HELICAL FLUTE Chucking Reamers page 188
METRIC Chucking Reamers page 192
OVER & UNDERSIZE Chucking Reamers page 191
SILVER & DEMING Chucking Reamers - 6" LENGTH page 192A
SOLID CARBIDE Chucking Reamers Solid Carbide page
STRAIGHT FLUTE Chucking Reamers Straight Flute page
Chucking Reamer Sets page 193
HAND REAMERS
Hand Reamers are designed for extreme accuracy and are used by hand for final sizing of drilled holes.

HAND ADJUSTABLE Reamers page 194
HAND ADJUSTABLE Reamers - Long Pilot page 194A
HAND EXPANSION Reamers page 195
HAND Reamers page 196
PIPE REAMERS
Taper Pipe Reamers are manufactured with a taper of 3/4" per foot. They are used prior to tapping dry seal and ANPT threads when high quality threads are required.

SPIRAL FLUTE Pipe Reamers page 196A
STRAIGHT FLUTE Pipe Reamers page 196A
SHELL REAMERS
Shell Reamers are designed to be used as a chucking reamer for reaming bearings and other similar work.

HELICAL FLUTE Shell Reamers page 197
HELICAL FLUTE Shell Reamers page 197
DRILL / REAMER Taper Pin Reamers page 197
TAPER PIN REAMERS
Taper Pin Reamers are manufactured with a taper of 1/4" per foot. They are used to ream holes into which standard taper pins will fit.

DRILL / REAMER Taper Pin Reamers page 200B
DRILL / REAMER Taper Pin Reamers - Metric page 201A
HELICAL FLUTE Taper Pin Reamers page 201
SPIRAL FLUTE Taper Pin Reamers page 201
STRAIGHT FLUTE Taper Pin Reamers page 201
WRENCHES (REAMER)
REAMER WRENCHES page 246