AMC 2026 catalogue

Machining

Drill Bits

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1-888-602-0000 MACHINING

Maintenance Grade Mechanics Length HSS Drill Bits, 135° ▪Split point ▪Black and gold finish Shorter length provides strength and rigidity. 3 flats on drill bit shank for sizes above 11⁄64" ensure grip for standard and keyless chucks.

GNF1875-23830

CLE-LINE, WESTWARD

List Number

Drill Bit Size

Decimal Equivalent

Flute Length

Overall Length Brand

Item

No.

1875

1⁄16 in 0.0625 7⁄8 in 1 7⁄8 in Cle-Line GNF1875-23830

5⁄64 in 0.0781 1 in 2 in Cle-Line GNF1875-23831 3⁄32 in 0.0938 1 1⁄4 in 2 1⁄4 in Cle-Line GNF1875-23832 7⁄64 in 0.1094 1 5⁄16 in 2 3⁄8 in Cle-Line GNF1875-23833 1⁄8 in 0.125 1 7⁄16 in 2 1⁄2 in Cle-Line GNF1875-23834 9⁄64 in 0.1406 1 9⁄16 in 2 5⁄8 in Cle-Line GNF1875-23835 5⁄32 in 0.1563 1 11⁄16 in 2 3⁄4 in Cle-Line GNF1875-23836 11⁄64 in 0.1719 1 13⁄16 in 2 7⁄8 in Cle-Line GNF1875-23837 3⁄16 in 0.1875 1 7⁄8 in 3 in Cle-Line GNF1875-23838 13⁄64 in 0.2031 1 15⁄16 in 3 1⁄8 in Cle-Line GNF1875-23839 7⁄32 in 0.2188 2 in 3 1⁄4 in Cle-Line GNF1875-23840 15⁄64 in 0.2344 2 1⁄16 in 3 3⁄8 in Cle-Line GNF1875-23841 1⁄4 in 0.25 2 in 3 1⁄2 in Cle-Line GNF1875-23842 17⁄64 in 0.2656 2 1⁄8 in 3 5⁄8 in Cle-Line GNF1875-23843 9⁄32 in 0.2813 2 1⁄4 in 3 3⁄4 in Cle-Line GNF1875-23844 19⁄64 in 0.2969 2 3⁄8 in 3 7⁄8 in Cle-Line GNF1875-23845 5⁄16 in 0.3125 2 1⁄2 in 4 in Cle-Line GNF1875-23846 21⁄64 in 0.3281 2 9⁄16 in 4 1⁄16 in Cle-Line GNF1875-23847 11⁄32 in 0.3438 2 5⁄8 in 4 1⁄8 in Cle-Line GNF1875-23848 23⁄64 in 0.3594 2 11⁄16 in 4 3⁄16 in Cle-Line GNF1875-23849 3⁄8 in 0.375 2 11⁄16 in 4 1⁄4 in Cle-Line GNF1875-23850 25⁄64 in 0.3906 2 3⁄4 in 4 5⁄16 in Cle-Line GNF1875-23851 13⁄32 in 0.4063 2 13⁄16 in 4 3⁄8 in Cle-Line GNF1875-23852 27⁄64 in 0.4219 2 7⁄8 in 4 7⁄16 in Cle-Line GNF1875-23853 7⁄16 in 0.4375 2 15⁄16 in 4 1⁄2 in Cle-Line GNF1875-23854 29⁄64 in 0.4531 3 in 4 5⁄8 in Cle-Line GNF1875-23855 15⁄32 in 0.4688 3 1⁄8 in 4 3⁄4 in Cle-Line GNF1875-23856 31⁄64 in 0.4844 3 1⁄4 in 4 7⁄8 in Cle-Line GNF1875-23857 1⁄2 in 0.5 3 3⁄8 in 5 in Cle-Line GNF1875-23859

1⁄2" Reduced Shank Silver & Deming Drills

▪118° split point (through 1 1⁄4"), black oxide finish (190F Series) ▪118° split point, black and gold finish for increased

lubricity and abrasion resistance (1877 Series) ▪3 flats for a more positive grip in the drill chuck ▪Standard 6" overall length, 3 1⁄8" flute length

GNF190C53433

GNF1877C17038

Size

Decimal Equivalent

Chicago-Latrobe Cle-Line Item

No.

Item

No. 1⁄2 in 0.5 GNF190F52432 — 33⁄64 in 0.5156 GNF190F52433 GNF1877C17031 17⁄32 in 0.5312 GNF190F52434 GNF1877C17032 35⁄64 in 0.5469 GNF190F52435 GNF1877C17033 9⁄16 in 0.5625 GNF190F52436 GNF1877C17034 37⁄64 in 0.5781 GNF190F52437 GNF1877C17035 19⁄32 in 0.5938 GNF190F52438 GNF1877C17036 39⁄64 in 0.6094 GNF190F52439 GNF1877C17037 5⁄8 in 0.625 GNF190F52440 GNF1877C17038 41⁄64 in 0.6406 GNF190F52441 GNF1877C17039 21⁄32 in 0.6562 GNF190F52442 GNF1877C17040 43⁄64 in 0.6719 GNF190F52443 GNF1877C17041 11⁄16 in 0.6875 GNF190F52444 GNF1877C17042 45⁄64 in 0.7031 GNF190F52445 GNF1877C17043 23⁄32 in 0.7188 GNF190F52446 GNF1877C17044

Size

Decimal Equivalent

Chicago-Latrobe Cle-Line Item

No.

Item

No. 47⁄64 in 0.7344 GNF190F52447 GNF1877C17045 3⁄4 in 0.75 GNF190F52448 GNF1877C17046 49⁄64 in 0.7656 GNF190F52449 GNF1877C17047 25⁄32 in 0.7812 GNF190F52450 GNF1877C17048 51⁄64 in 0.7969 GNF190F52451 GNF1877C17049 13⁄16 in 0.8125 GNF190F52452 GNF1877C17050 53⁄64 in 0.8281 GNF190F52453 GNF1877C17051 27⁄32 in 0.8438 GNF190F52454 GNF1877C17052 55⁄64 in 0.8594 GNF190F52455 GNF1877C17053 7⁄8 in 0.875 GNF190F52456 GNF1877C17054 57⁄64 in 0.8906 GNF190F52457 GNF1877C17055 29⁄32 in 0.9062 GNF190F52458 GNF1877C17056 59⁄64 in 0.9219 GNF190F52459 GNF1877C17057 15⁄16 in 0.9375 GNF190F52460 GNF1877C17058 61⁄64 in 0.9531 GNF190F52461 GNF1877C17059

Size

Decimal Equivalent

Chicago-Latrobe Cle-Line Item

No.

Item

No. 31⁄32 in 0.9688 GNF190F52462 GNF1877C17060 63⁄64 in 0.9844 GNF190F52463 GNF1877C17061 1 in 1 GNF190F52464 GNF1877C17062 1 1⁄32 in 1.0039 GNF190F52466 — 1 1⁄16 in 1.0625 GNF190F52468 GNF1877C17066 1 3⁄32 in 1.0938 GNF190F52470 — 1 1⁄8 in 1.125 GNF190F52472 GNF1877C17070 1 5⁄32 in 1.1562 GNF190F52474 — 1 3⁄16 in 1.1875 GNF190F52476 GNF1877C17074 1 7⁄32 in 1.2188 GNF190F52478 — 1 1⁄4 in 1.25 GNF190F52480 GNF1877C17078 1 5⁄16 in 1.3125 GNF190F52484 GNF1877C17082 1 3⁄8 in 1.375 GNF190F52488 GNF1877C17086 1 7⁄16 in 1.4375 GNF190F52492 GNF1877C17090 1 1⁄2 in 1.5 GNF190F52496 GNF1877C17094

CHICAGO-LATROBE, CLE-LINE

Cobalt 1⁄2" Reduced Shank Drills (Silver & Deming)

▪118° split point, straw finish ▪Shank reduced to fit 1⁄2" drill chucks ▪Standard 6" overall length, 3 1⁄8" flute length ▪Recommended for high-tensile materials

including alloy steels, stainless steel, titanium, carbon steels, and cast iron

GNF190C53433

Size (in.)

Flute Length (in.)

Length

(in.)

Item

No. 33⁄64 3 1⁄8 6 GNF190C53433 17⁄32 3 1⁄8 6 GNF190C53434 35⁄64 3 1⁄8 6 GNF190C53435 9⁄16 3 1⁄8 6 GNF190C53436 37⁄64 3 1⁄8 6 GNF190C53437 19⁄32 3 1⁄8 6 GNF190C53438 39⁄64 3 1⁄8 6 GNF190C53439 5⁄8 3 1⁄8 6 GNF190C53440 41⁄64 3 1⁄8 6 GNF190C53441 21⁄32 3 1⁄8 6 GNF190C53442 43⁄64 3 1⁄8 6 GNF190C53443 11⁄16 3 1⁄8 6 GNF190C53444 45⁄64 3 1⁄8 6 GNF190C53445 23⁄32 3 1⁄8 6 GNF190C53446 47⁄64 3 1⁄8 6 GNF190C53447 3⁄4 3 1⁄8 6 GNF190C53448 49⁄64 3 1⁄8 6 GNF190C53449 25⁄32 3 1⁄8 6 GNF190C53450 51⁄64 3 1⁄8 6 GNF190C53451

Size (in.)

Flute Length (in.)

Length

(in.)

Item

No. 13⁄16 3 1⁄8 6 GNF190C53452 53⁄64 3 1⁄8 6 GNF190C53453 27⁄32 3 1⁄8 6 GNF190C53454 55⁄64 3 1⁄8 6 GNF190C53455 7⁄8 3 1⁄8 6 GNF190C53456 57⁄64 3 1⁄8 6 GNF190C53457 29⁄32 3 1⁄8 6 GNF190C53458 59⁄64 3 1⁄8 6 GNF190C53459 15⁄16 3 1⁄8 6 GNF190C53460 61⁄64 3 1⁄8 6 GNF190C53461 31⁄32 3 1⁄8 6 GNF190C53462 63⁄64 3 1⁄8 6 GNF190C53463 1 3 1⁄8 6 GNF190C53464 1 1⁄16 3 1⁄8 6 GNF190C53468 1 1⁄8 3 1⁄8 6 GNF190C53472 1 1⁄4 3 1⁄8 6 GNF190C53480 1 3⁄8 3 1⁄8 6 GNF190C53488 1 1⁄2 3 1⁄8 6 GNF190C53496

CHICAGO-LATROBE

List Number

Drill Bit Size

Decimal Equivalent

Flute Length

Overall Length Brand

Item

No.

1876

27⁄64 in 0.4219 2 7⁄8 in 4 7⁄16 in Cle-Line GNFC23860 7⁄16 in 0.4375 2 15⁄16 in 4 1⁄2 in Cle-Line GNF1876-23861 29⁄64 in 0.4531 3 in 4 5⁄8 in Cle-Line GNFC23862 15⁄32 in 0.4688 3 1⁄8 in 4 3⁄4 in Cle-Line GNFC23863 31⁄64 in 0.4844 3 1⁄4 in 4 7⁄8 in Cle-Line GNFC23864 1⁄2 in 0.5 3 3⁄8 in 5 in Cle-Line GNF1876-23865

3⁄32 in 0.0938 1 1⁄4 in 2 1⁄4 in Westward WSW2UFU7 7⁄64 in 0.1094 1 5⁄16 in 2 3⁄8 in Westward WSW2UFU8 1⁄8 in 0.125 1 7⁄16 in 2 1⁄2 in Westward WSW2UFU9 9⁄64 in 0.1406 1 9⁄16 in 2 5⁄8 in Westward WSW2UFV1 5⁄32 in 0.1563 1 11⁄16 in 2 3⁄4 in Westward WSW2UFV2 11⁄64 in 0.1719 1 13⁄16 in 2 7⁄8 in Westward WSW2UFV3 3⁄16 in 0.1875 1 7⁄8 in 3 in Westward WSW2UFV4 13⁄64 in 0.2031 1 15⁄16 in 3 1⁄8 in Westward WSW2UFV5 7⁄32 in 0.2188 2 in 3 1⁄4 in Westward WSW2UFV6 1⁄4 in 0.25 2 in 3 1⁄2 in Westward WSW2UFV8 17⁄64 in 0.2656 2 1⁄8 in 3 5⁄8 in Westward WSW2UFV9 9⁄32 in 0.2813 2 1⁄4 in 3 3⁄4 in Westward WSW2UFW1 5⁄16 in 0.3125 2 1⁄2 in 4 in Westward WSW2UFW3 21⁄64 in 0.3281 2 9⁄16 in 4 1⁄16 in Westward WSW2UFW4 11⁄32 in 0.3438 2 5⁄8 in 4 1⁄8 in Westward WSW2UFW5 23⁄64 in 0.3594 2 11⁄16 in 4 3⁄16 in Westward WSW2UFW6 3⁄8 in 0.375 2 11⁄16 in 4 1⁄8 in Westward WSW2UFW7 27⁄64 in 0.4219 2 7⁄8 in 4 7⁄16 in Westward WSW2UFX1 7⁄16 in 0.4375 2 15⁄16 in 4 1⁄2 in Westward WSW2UFX2 29⁄64 in 0.4531 3 in 4 5⁄8 in Westward WSW2UFX3 15⁄32 in 0.4688 3 1⁄8 in 4 3⁄4 in Westward WSW2UFX4 1⁄2 in 0.5 3 3⁄8 in 5 in Westward WSW2UFX6