AMC 2026 catalogue

Machining

Countersinks and Reamers

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WWG1DBU1

Chucking Reamers

▪Right-hand and neutral

cutting direction ▪Straight shank These reamers enlarge or finish an existing hole to an exact tolerance or size for a precise fit when installing fasteners or other parts. They have a straight taper shank that mounts to a compatible machine such as a drill press, lathe, or screw machine. They typically have a 45° chamfer on the cutting edge to help ensure accuracy as the reamer enters the hole during metalworking tasks.

Size

Decimal Equivalent

Flute Length

Shank

Size

Item

No. Straight Flute, High Speed Steel

7 0.201 1 1⁄4 in 0.2010 in WSW13H641 5 mm 0.1969 1 1⁄4 in 0.1968 in WSW13H722 5.5 mm 0.2165 1 1⁄4 in 0.2165 in WSW13H723 6 mm 0.2362 1 1⁄2 in 0.2362 in WSW13H724 6.5 mm 0.2559 1 1⁄2 in 0.2559 in WSW13H725 7 mm 0.2756 1 1⁄2 in 0.2755 in WSW13H726 8 mm 0.315 1 1⁄2 in 0.3149 in WSW13H728 9 mm 0.3543 1 3⁄4 in 0.3543 in WSW13H730 10 mm 0.3937 1 3⁄4 in 0.3936 in WSW13H732 10.5 mm 0.4134 1 3⁄4 in 0.4134 in WSW13H733 11 mm 0.4331 1 3⁄4 in 0.4331 in WSW13H734 11.5 mm 0.4528 1 3⁄4 in 0.4528 in WSW13H735 12 mm 0.4724 1 3⁄4 in 0.4724 in WSW13H736 13 mm 0.5118 2 in 0.5118 in WSW13H738 14 mm 0.5512 2 in 0.5512 in WSW13H740 15 mm 0.5906 2 in 0.5906 in WSW13H742 16 mm 0.6299 2 1⁄4 in 0.6299 in WSW13H744 17 mm 0.6693 2 1⁄4 in 0.6693 in WSW13H746 11⁄16 in 0.6875 2 1⁄4 in 0.6875 in WSW11V344 31⁄64 in 0.4844 2 in 0.4844 in WSW11V337 1⁄2 in 0.5 2 in 0.5000 in WSW11V338 1⁄4 in 0.25 1 1⁄2 in 0.2500 in WSW11V322 3⁄8 in 0.375 1 3⁄4 in 0.3750 in WSW11V330 5⁄8 in 0.625 2 1⁄4 in 0.6250 in WSW11V342 5⁄16 in 0.3125 1 1⁄2 in 0.3125 in WSW11V326 9⁄16 in 0.5625 2 in 0.5625 in WSW11V340 B 0.238 1 1⁄2 in 0.2380 in WSW11V443 C 0.242 1 1⁄2 in 0.2420 in WSW11V444 D 0.246 1 1⁄2 in 0.2460 in WSW11V445 H 0.266 1 1⁄2 in 0.2660 in WSW11V448 J 0.277 1 1⁄2 in 0.2770 in WSW11V450 K 0.281 1 1⁄2 in 0.2810 in WSW11V451 O 0.316 1 1⁄2 in 0.3160 in WSW11V455 P 0.323 1 1⁄2 in 0.3230 in WSW11V456 V 0.377 1 3⁄4 in 0.3770 in WSW11V462 W 0.386 1 3⁄4 in 0.3860 in WSW11V463

APPROVED VENDOR

Smooth Finish 6-Flute Countersinks Provide fast material removal and leave a smooth finish as they expand the top of an existing hole in a workpiece to ensure screws install flush with the surface of the workpiece. They remove more material with each revolution and typically provide more wear resistance than countersinks with fewer flutes. High-speed steel countersinks provide good wear resistance in a wide range of applications. Cobalt countersinks provide excellent wear resistance when machining materials like cast iron or stainless steel.

WWG1DBY2

No. of Pieces Sizes Included

Countersink

Angle

Included

Angle

Item

No. Countersink Set - High Speed Steel Black Oxide

7 1⁄4, 5⁄16, 3⁄8, 1⁄2, 5⁄8, 3⁄4, 1 in 100° 100° WWG4FVD7

7 1⁄4, 5⁄16, 3⁄8, 1⁄2, 5⁄8, 3⁄4, 1 in 120° 120° WWG4FVD8

Uncoated

7 1⁄4, 5⁄16, 3⁄8, 1⁄2, 5⁄8, 3⁄4, 1 in 60° 60° WWG1DBU1

7 1⁄4, 5⁄16, 3⁄8, 1⁄2, 5⁄8, 3⁄4, 1 in 82° 82° WWG1DBU2

7 1⁄4, 5⁄16, 3⁄8, 1⁄2, 5⁄8, 3⁄4, 1 in 90° 90° WWG1DBU3

Countersink Set - Cobalt Bright

7 1⁄4, 5⁄16, 3⁄8, 1⁄2, 5⁄8, 3⁄4, 1 in 82° 82° WWG3ZXV1

7 1⁄4, 5⁄16, 3⁄8, 1⁄2, 5⁄8, 3⁄4, 1 in 100° 100° WWG3ZXV3

Bright (Uncoated)

7 1⁄4, 5⁄16, 3⁄8, 1⁄2, 5⁄8, 3⁄4, 1 in 60° 60° WWG3ZXU9

7 1⁄4, 5⁄16, 3⁄8, 1⁄2, 5⁄8, 3⁄4, 1 in 90° 90° WWG3ZXV2

7 1⁄4, 5⁄16, 3⁄8, 1⁄2, 5⁄8, 3⁄4, 1 in 120° 120° WWG3ZXV5

Body

Dia.

Shank

Dia.

Overall Length

Countersink

Angle

Included

Angle

Item

No. High Speed Steel Black Oxide

1⁄8 in 1⁄8 in 1 1⁄4 in 120° 120° WWG4FUY3 1⁄4 in 1⁄4 in 1 1⁄2 in 100° 100° WWG4FUT5 1⁄4 in 1⁄4 in 1 1⁄2 in 120° 120° WWG4FUY5 5⁄16 in 1⁄4 in 1 3⁄4 in 100° 100° WWG4FUT6 5⁄16 in 1⁄4 in 1 3⁄4 in 120° 120° WWG4FUY6 3⁄8 in 1⁄4 in 1 3⁄4 in 100° 100° WWG4FUT7 1⁄2 in 1⁄4 in 2 in 100° 100° WWG4FUT8 1⁄2 in 3⁄8 in 2 in 100° 100° WWG4FUT9 1⁄2 in 1⁄4 in 2 in 120° 120° WWG4FUY8 1⁄2 in 3⁄8 in 2 in 120° 120° WWG4FUY9 5⁄8 in 1⁄4 in 2 1⁄4 in 100° 100° WWG4FUU1 5⁄8 in 3⁄8 in 2 1⁄4 in 100° 100° WWG4FUU2 5⁄8 in 3⁄8 in 2 1⁄4 in 120° 120° WWG4FUZ2 3⁄4 in 1⁄2 in 2 5⁄8 in 100° 100° WWG4FUU3 3⁄4 in 1⁄2 in 2 5⁄8 in 120° 120° WWG4FUZ3 7⁄8 in 1⁄2 in 2 3⁄4 in 100° 100° WWG4FUU4 1 in 1⁄2 in 2 3⁄4 in 100° 100° WWG4FUU5 1 1⁄4 in 1⁄2 in 2 3⁄4 in 100° 100° WWG4FUU6 1 in 1⁄2 in 2 3⁄4 in 120° 120° WWG4FUZ5 Bright (Uncoated)

1⁄8 in 1⁄8 in 1 1⁄4 in 90° 90° WWG4FWK1 3⁄16 in 3⁄16 in 1 3⁄8 in 82° 82° WWG4FWJ3 1⁄4 in 1⁄4 in 1 1⁄2 in 82° 82° WWG1DBY8 5⁄16 in 1⁄4 in 1 3⁄4 in 90° 90° WWG4FWK3 1⁄2 in 1⁄4 in 2 in 90° 90° WWG1DBZ7 5⁄8 in 1⁄4 in 2 1⁄4 in 60° 60° WWG1DBY5 3⁄4 in 1⁄2 in 2 5⁄8 in 90° 90° WWG1DBZ9 7⁄8 in 1⁄2 in 2 3⁄4 in 90° 90° WWG4FWK6 1 in 1⁄2 in 2 3⁄4 in 60° 60° WWG1DBY7 1 in 1⁄2 in 2 3⁄4 in 90° 90° WWG1MBY7 Uncoated

1⁄4 in 1⁄4 in 1 1⁄2 in 60° 60° WWG1DBY2 1⁄4 in 1⁄4 in 1 1⁄2 in 90° 90° WWG1DBZ5 3⁄8 in 1⁄4 in 1 3⁄4 in 60° 60° WWG1DBY3 3⁄8 in 1⁄4 in 1 3⁄4 in 82° 82° WWG1DBY9 3⁄8 in 1⁄4 in 1 3⁄4 in 90° 90° WWG1DBZ6 1⁄2 in 1⁄4 in 2 in 60° 60° WWG1DBY4 1⁄2 in 1⁄4 in 2 in 82° 82° WWG1DBZ1 5⁄8 in 1⁄4 in 2 1⁄4 in 82° 82° WWG1DBZ2 5⁄8 in 1⁄4 in 2 1⁄4 in 90° 90° WWG1DBZ8 3⁄4 in 1⁄2 in 2 5⁄8 in 60° 60° WWG1DBY6 3⁄4 in 1⁄2 in 2 5⁄8 in 82° 82° WWG1DBZ3 7⁄8 in 1⁄2 in 2 3⁄4 in 60° 60° WWG4FWH8 1 in 1⁄2 in 2 3⁄4 in 82° 82° WWG1DBZ4

KEO

Body

Dia.

Shank

Dia.

Overall Length

Countersink

Angle

Included

Angle

Item

No. Cobalt Bright

1⁄4 in 1⁄4 in 1 1⁄2 in 82° 82° WWG3ZUN3 1⁄4 in 1⁄4 in 1 1⁄2 in 100° 100° WWG3ZXE2 5⁄16 in 1⁄4 in 1 3⁄4 in 82° 82° WWG3ZUN4 5⁄16 in 1⁄4 in 1 3⁄4 in 90° 90° WWG3ZWY5 3⁄8 in 1⁄4 in 1 3⁄4 in 82° 82° WWG3ZUN5 3⁄8 in 1⁄4 in 1 3⁄4 in 100° 100° WWG3ZXE4 1⁄2 in 1⁄4 in 2 in 60° 60° WWG3ZUH6 1⁄2 in 3⁄8 in 2 in 60° 60° WWG3ZUH7 1⁄2 in 1⁄4 in 2 in 82° 82° WWG3ZUN6 1⁄2 in 3⁄8 in 2 in 82° 82° WWG3ZUN7 1⁄2 in 3⁄8 in 2 in 90° 90° WWG3ZWZ2 1⁄2 in 1⁄4 in 2 in 90° 90° WWG3ZWY9 1⁄2 in 1⁄4 in 2 in 100° 100° WWG3ZXE5 5⁄8 in 1⁄4 in 2 1⁄4 in 82° 82° WWG3ZUN8 5⁄8 in 3⁄8 in 2 1⁄4 in 82° 82° WWG3ZUN9 3⁄4 in 1⁄2 in 2 5⁄8 in 60° 60° WWG3ZUJ1 3⁄4 in 1⁄2 in 2 5⁄8 in 90° 90° WWG3ZWZ8 7⁄8 in 1⁄2 in 2 3⁄4 in 82° 82° WWG3ZUP2 1 in 1⁄2 in 2 3⁄4 in 60° 60° WWG3ZUJ3 1 in 1⁄2 in 2 3⁄4 in 82° 82° WWG3ZUP3 1 1⁄4 in 1⁄2 in 2 3⁄4 in 82° 82° WWG3ZUP4 1 1⁄2 in 3⁄4 in 2 7⁄8 in 82° 82° WWG3ZUP5 1 in 1⁄2 in 2 3⁄4 in 90° 90° WWG3ZXA2 Bright (Uncoated)

3⁄16 in 3⁄16 in 1 3⁄8 in 90° 90° WWG3ZWX9 1⁄2 in 1⁄4 in 2 in 120° 120° WWG3ZXP5 5⁄8 in 3⁄8 in 2 1⁄4 in 60° 60° WWG3ZUH9 5⁄8 in 3⁄8 in 2 1⁄4 in 90° 90° WWG3ZWZ6 5⁄8 in 3⁄8 in 2 1⁄4 in 100° 100° WWG3ZXE8 3⁄4 in 1⁄2 in 2 5⁄8 in 100° 100° WWG3ZXE9 7⁄8 in 1⁄2 in 2 3⁄4 in 90° 90° WWG3ZXA1 1 1⁄2 in 3⁄4 in 2 7⁄8 in 90° 90° WWG3ZXA4

High Speed Steel Morse Taper Shank Chucking Reamers

▪Used on drill presses

and other machine tools ▪Straight flute

WSW13H767

Fractional

Size (in.)

Morse

Taper

Flute Length

(in.)

Overall Length

(in.)

No. of Flutes

Item

No. 1⁄4 1 1 1⁄2 6 6 WSW13H763 3⁄8 1 1 3⁄4 7 6 WSW13H764 1⁄2 1 2 8 6 WSW13H765 5⁄8 2 2 1⁄4 9 8 WSW13H767 11⁄16 2 2 1⁄4 9 6 WSW13H769 3⁄4 2 2 1⁄2 9 1⁄2 6 WSW13H771 1 3 2 3⁄4 10 1⁄2 8 WSW13H776 1 1⁄16 3 2 3⁄4 10 1⁄2 8 WSW13H777 1 1⁄8 3 2 7⁄8 11 8 WSW13H778 1 3⁄16 3 2 7⁄8 11 10 WSW13H779 1 1⁄4 4 3 11 1⁄2 10 WSW13H780 1 5⁄16 4 3 11 1⁄2 10 WSW13H781 1 3⁄8 4 3 1⁄4 12 10 WSW13H782 1 7⁄16 4 3 1⁄4 12 10 WSW13H783 1 1⁄2 4 3 1⁄2 12 1⁄2 10 WSW13H784

APPROVED VENDOR

WSW13H641