AMC 2026 catalogue

Machining

Countersinks and Reamers

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MACHINING

WWG1DBT7

General Purpose 3-Flute Center Countersinks Expand the top of an existing hole in a range of materials to ensure screws install flush with the surface of the workpiece. They typically provide better chip clearance and perform better when machining stringy materials than countersinks with more flutes. High-speed steel countersinks provide good wear resistance in a wide range of countersinking applications. Cobalt steel countersinks are harder than high-speed steel countersinks and provide good wear resistance when machining hard materials at high speeds.

WWG1DBX6

Body

Dia.

Included

Angle

Shank

Dia.

Shank Length

Overall Length

Item

No. Countersink Cobalt

1⁄4 in 82° 1⁄4 in — 1 1⁄2 in WWG3YPK4 100° 1⁄4 in — 1 1⁄2 in WWG3YPR8

3⁄8 in

60° 1⁄4 in 7⁄8 in 1 3⁄4 in WWG3YPH3 82° 1⁄4 in 7⁄8 in 1 3⁄4 in WWG3YPK5 90° 1⁄4 in 7⁄8 in 1 3⁄4 in WWG3YPN7 100° 1⁄4 in 7⁄8 in 1 3⁄4 in WWG3YPR9

1⁄2 in

60° 1⁄4 in 1 in 2 in WWG3YPH4 82° 1⁄4 in 1 in 2 in WWG3YPK6 90° 1⁄4 in 1 in 2 in WWG3YPN8 100° 1⁄4 in 1 in 2 in WWG3YPT1 120° 1⁄4 in 1 in 2 in WWG3YPX5 5⁄8 in 82° 3⁄8 in 1 in 2 1⁄4 in WWG3YPK7

3⁄4 in 60° 1⁄2 in 1 1⁄4 in 2 5⁄8 in WWG3YPH6 82° 1⁄2 in 1 1⁄4 in 2 5⁄8 in WWG3YPK8 90° 1⁄2 in 1 1⁄4 in 2 5⁄8 in WWG3YPP1

1 in 82° 1⁄2 in 1 1⁄4 in 2 3⁄4 in WWG3YPK9 100° 1⁄2 in 1 1⁄4 in 2 3⁄4 in WWG3YPT4 High Speed Steel

1⁄4 in

60° 1⁄4 in — 1 1⁄2 in WWG1DBX6 82° 1⁄4 in — 1 1⁄2 in WWG3P390 90° 1⁄4 in — 1 1⁄2 in WWG3P392 100° 1⁄4 in — 1 1⁄2 in WWG4FUJ8 120° 1⁄4 in — 1 1⁄2 in WWG4FUP1

3⁄8 in

60° 1⁄4 in 7⁄8 in 1 3⁄4 in WWG1DBX7 82° 1⁄4 in 7⁄8 in 1 3⁄4 in WWG3P399 90° 1⁄4 in 7⁄8 in 1 3⁄4 in WWG3P401 100° 1⁄4 in 7⁄8 in 1 3⁄4 in WWG4FUJ9 120° 1⁄4 in 7⁄8 in 1 3⁄4 in WWG4FUP2

1⁄2 in

60° 1⁄4 in 1 in 2 in WWG1DBX8 82° 1⁄4 in 1 in 2 in WWG3P386 90° 1⁄4 in 1 in 2 in WWG3P388 100° 1⁄4 in 1 in 2 in WWG4FUL1 120° 1⁄4 in 1 in 2 in WWG4FUP3

5⁄8 in

60° 3⁄8 in 1 in 2 1⁄4 in WWG1DBX9 82° 3⁄8 in 1 in 2 1⁄4 in WWG3P403 90° 3⁄8 in 1 in 2 1⁄4 in WWG3P405 100° 3⁄8 in 1 in 2 1⁄4 in WWG4FUL2 120° 3⁄8 in 1 in 2 1⁄4 in WWG4FUP4

3⁄4 in

60° 1⁄2 in 1 1⁄4 in 2 5⁄8 in WWG1DBY1 82° 1⁄2 in 1 1⁄4 in 2 5⁄8 in WWG3P395 90° 1⁄2 in 1 1⁄4 in 2 5⁄8 in WWG3P397 100° 1⁄2 in 1 1⁄4 in 2 5⁄8 in WWG4FUL3 120° 1⁄2 in 1 1⁄4 in 2 5⁄8 in WWG4FUP5 1 in 82° 1⁄2 in 1 1⁄4 in 2 3⁄4 in WWG3P407 1 1⁄2 in 82° 3⁄4 in 1 1⁄4 in 2 7⁄8 in WWG4FWG9 1 in 90° 1⁄2 in 1 1⁄4 in 2 3⁄4 in WWG3P411 Countersink Set Cobalt

1⁄4, 3⁄8, 1⁄2, 3⁄4, 1 in

WWG3YRG5 WWG3YRG6 WWG3YRG7 WWG3YRG8 WWG3YRH1 High Speed Steel

1⁄4, 3⁄8, 1⁄2, 3⁄4, 1 in

WWG1DBT7 WWG1DBT8 WWG1DBT9 WWG4FVD5 WWG4FVU8

KEO

WWG3P441

Fast-Cut Single- Flute Countersinks High-speed steel countersinks provide good wear resistance in a wide range of countersinking applications. They are suitable for use at high speeds, and leave clean edges on holes. Built with a high, positive rake that reduces vibration as they expand the top of an existing hole in a workpiece to ensure screws install flush with the surface of the workpiece. Cobalt countersinks are suitable for high-speed countersinking operations.

WWG1DBU4

No. of Pieces Sizes Included

Countersink

Angle

Included

Angle

Item

No. Countersink Set - High Speed Steel Black Oxide

5 1⁄4, 3⁄8, 1⁄2, 3⁄4, 1 in 100° 100° WWG4FVD3 5 1⁄4, 3⁄8, 1⁄2, 3⁄4, 1 in 120° 120° WWG4FVD4 Uncoated

5 1⁄4, 3⁄8, 1⁄2, 3⁄4, 1 in 60° 60° WWG1DBU4 5 1⁄4, 3⁄8, 1⁄2, 3⁄4, 1 in 82° 82° WWG1DBU5 5 1⁄4, 3⁄8, 1⁄2, 3⁄4, 1 in 90° 90° WWG1DBU6 Countersink Set - Cobalt Bright

5 1⁄4, 3⁄8, 1⁄2, 3⁄4, 1 in 60° 60° WWG3ZUG4 5 1⁄4, 3⁄8, 1⁄2, 3⁄4, 1 in 82° 82° WWG3ZUG5 5 1⁄4, 3⁄8, 1⁄2, 3⁄4, 1 in 90° 90° WWG3ZUG6 Bright (Uncoated)

5 1⁄4, 3⁄8, 1⁄2, 3⁄4, 1 in 100° 100° WWG3ZUG7

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 82° 82° WWG4FWF6 3⁄16 in 3⁄16 in 1 3⁄8 in 82° 82° WWG4FWF7 3⁄16 in 3⁄16 in 1 3⁄8 in 90° 90° WWG4FWG2 3⁄16 in 3⁄16 in 1 3⁄8 in 100° 100° WWG4FUA6 3⁄16 in 3⁄16 in 1 3⁄8 in 120° 120° WWG4FUF3 1⁄4 in 1⁄4 in 1 1⁄2 in 100° 100° WWG4FUA7 3⁄8 in 1⁄4 in 1 3⁄4 in 100° 100° WWG4FUA8 3⁄8 in 1⁄4 in 1 3⁄4 in 120° 120° WWG4FUF5 1⁄2 in 1⁄4 in 2 in 100° 100° WWG4FUA9 1⁄2 in 1⁄4 in 2 in 120° 120° WWG4FUF6 5⁄8 in 3⁄8 in 2 1⁄4 in 100° 100° WWG4FUD1 5⁄8 in 3⁄8 in 2 1⁄4 in 120° 120° WWG4FUF7 3⁄4 in 1⁄2 in 2 5⁄8 in 100° 100° WWG4FUD2 3⁄4 in 1⁄2 in 2 5⁄8 in 120° 120° WWG4FUF8 1 1⁄4 in 1⁄2 in 3 in 60° 60° WWG4FWF4 1 1⁄4 in 1⁄2 in 2 3⁄4 in 82° 82° WWG4FWF8 1 1⁄2 in 3⁄4 in 2 7⁄8 in 82° 90° WWG4FWG4 1 in 1⁄2 in 2 3⁄4 in 100° 100° WWG4FUD3

KEO

Body

Dia.

Shank

Dia.

Overall Length

Countersink

Angle

Included

Angle

Item

No. Uncoated

1⁄4 in 1⁄4 in 1 1⁄2 in 60° 60° WWG1DBW9 1⁄4 in 1⁄4 in 1 1⁄2 in 82° 82° WWG3P423 1⁄4 in 1⁄4 in 1 1⁄2 in 90° 90° WWG3P425 3⁄8 in 1⁄4 in 1 3⁄4 in 60° 60° WWG1DBX1 3⁄8 in 1⁄4 in 1 3⁄4 in 82° 82° WWG3P434 3⁄8 in 1⁄4 in 1 3⁄4 in 90° 90° WWG3P439 1⁄2 in 1⁄4 in 2 in 60° 60° WWG1DBX2 1⁄2 in 1⁄4 in 2 in 82° 82° WWG3P419 1⁄2 in 1⁄4 in 2 in 90° 90° WWG3P421 5⁄8 in 3⁄8 in 2 1⁄4 in 60° 60° WWG1DBX3 5⁄8 in 3⁄8 in 2 1⁄4 in 82° 82° WWG3P441 3⁄4 in 1⁄2 in 2 5⁄8 in 60° 60° WWG1DBX4 3⁄4 in 1⁄2 in 2 5⁄8 in 82° 82° WWG3P427 3⁄4 in 1⁄2 in 2 5⁄8 in 90° 90° WWG3P429 1 in 1⁄2 in 2 3⁄4 in 60° 60° WWG1DBX5 1 in 1⁄2 in 2 3⁄4 in 82° 82° WWG3P415 Cobalt Bright

1⁄4 in 1⁄4 in 1 1⁄2 in 82° 82° WWG3YRL1 3⁄8 in 1⁄4 in 1 3⁄4 in 82° 82° WWG3ZTR4 3⁄8 in 1⁄4 in 1 3⁄4 in 90° 90° WWG3ZTV1 1⁄2 in 1⁄4 in 2 in 82° 82° WWG3ZTR5 1⁄2 in 1⁄4 in 2 in 90° 90° WWG3ZTV2 5⁄8 in 3⁄8 in 2 1⁄4 in 82° 82° WWG3ZTR6 5⁄8 in 3⁄8 in 2 1⁄4 in 90° 90° WWG3ZTV3 3⁄4 in 1⁄2 in 2 5⁄8 in 90° 90° WWG3ZTV4 1 in 1⁄2 in 2 3⁄4 in 82° 82° WWG3ZTR8 Bright (Uncoated)

3⁄8 in 1⁄4 in 1 3⁄4 in 60° 60° WWG3YRH5 1⁄2 in 1⁄4 in 2 in 100° 100° WWG3ZTX8 5⁄8 in 3⁄8 in 2 1⁄4 in 60° 60° WWG3YRH7 5⁄8 in 3⁄8 in 2 1⁄4 in 120° 120° WWG3ZUE3 3⁄4 in 1⁄2 in 2 5⁄8 in 100° 100° WWG3ZTY1

Adjustable Hand Reamers

▪Black oxide finish ▪Sets supplied in wooden box Adjustable hand reamers have nuts and blades that can be adjusted to allow the tool to enlarge or finish holes of different sizes in metal workpieces. They offer good wear resistance in a wide range of reaming tasks and can withstand chatter or hard surfaces. These reamers have straight blades that push chips forward into the hole, so they are best suited for reaming through holes. Blades can be sharpened and replaced as needed. Hand reamers are held with a tap wrench, adjustable wrench, or vise and slowly rotated to feed the reamer into the hole.

WSW4LGR4

No. of Pieces Sizes Included

Item

No. Adjustable Hand Reamer Set

3 3⁄8 in to 15⁄32 in WSW4LGU2 8 15⁄32 in to 1 1⁄16 in WSW4LGU3 11 15⁄32 in to 1 1⁄2 in WSW4LGU4 16 3⁄8 in to 2 7⁄32 in WSW4LGU5

Size Range Overall Length

Item

No. Adjustable Blade Hand Reamer

3⁄8 in to 13⁄32 in 4 3⁄4 in WSW4LGR4 7⁄16 in to 15⁄32 in 5 1⁄4 in WSW4LGR6 15⁄32 in to 17⁄32 in 5 1⁄2 in WSW4LGR7 21⁄32 in to 23⁄32 in 6 3⁄4 in WSW4LGT1 23⁄32 in to 25⁄32 in 7 in WSW4LGT2 25⁄32 in to 27⁄32 in 7 3⁄8 in WSW4LGT3 27⁄32 in to 15⁄16 in 8 in WSW4LGT4 15⁄16 in to 1 1⁄16 in 9 in WSW4LGT5 1 1⁄16 in to 1 3⁄16 in 10 in WSW4LGT6 1 3⁄16 in to 1 11⁄32 in 11 in WSW4LGT7 1 1⁄2 in to 1 13⁄16 in 14 in WSW4LGT9 1 11⁄32 in to 1 1⁄2 in 12 in WSW4LGT8 1 13⁄16 in to 2 7⁄32 in 16 in WSW4LGU1

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