Page 308 - Republic Drill

3-Flute End Mills

High Speed Steel & Cobalt
Three flute end mills are used for production milling of slots,
pockets, keyways, and other general purpose applications.
These end mills, single and double end, have a one tooth to
END MILLS Standard Flute
center design with chip-free action which allows the machinist to
feed endwise and still maintain a high quality finish on slotting.

List No. 238 – High Speed Steel, Center Cutting
List No. 238C – Cobalt, Center Cutting
Price Each Price Each
Diameter Shank Length Overall H.S. Cobalt Diameter Shank Length Overall H.S. Cobalt
of Cut Diameter of Cut Length 238 238C of Cut Diameter of Cut Length 238 238C
1/8 3/8 3/8 2-5/16 11.09 15.00 7/8 5/8 1-7/8 4 30.27 –
3/16 3/8 1/2 2-3/8 11.09 21.50 7/8 3/4 1-7/8 4-1/8 30.27 –
1/4 3/8 5/8 2-1/2 11.09 21.50 7/8 7/8 1-7/8 4-1/8 30.27 –
5/16 3/8 3/4 2-1/2 11.09 21.50 1 5/8 1-7/8 4 36.36 –
3/8 3/8 3/4 2-1/2 13.15 21.50 1 3/4 1-7/8 4-1/8 36.36 –
7/16 3/8 1 2-11/16 14.46 29.00 1 7/8 1-7/8 4-1/8 36.36 –
1/2 3/8 1 2-11/16 14.46 – 1 1 2 4-1/2 36.36 79.50
1/2 1/2 1-1/4 3-1/4 14.79 29.00 1-1/8 1 2 4-1/2 49.95 110.00
9/16 1/2 1-3/8 3-3/8 21.24 – 1-1/4 1 2 4-1/2 58.40 –
5/8 1/2 1-3/8 3-3/8 21.24 – 1-1/4 1-1/4 2 4-1/2 62.37 115.00
5/8 5/8 1-5/8 3-3/4 21.24 39.00 1-3/8 1 2 4-1/2 69.01 –
11/16 1/2 1-5/8 3-5/8 22.00 – 1-3/8 1-1/4 2 4-1/2 69.01 –
11/16 5/8 1-5/8 3-3/4 22.00 – 1-1/2 1 2 4-1/2 75.65 –
3/4 1/2 1-5/8 3-5/8 25.34 – 1-1/2 1-1/4 2 4-1/2 75.65 149.00
3/4 5/8 1-5/8 3-3/4 25.34 49.50 1-3/4 1-1/4 2 4-1/2 80.97 169.00
3/4 3/4 1-5/8 3-7/8 25.34 49.50 2 1-1/4 2 4-1/2 99.73 189.00

Long Flute
List No. 239 – High Speed Steel, Center Cutting
List No. 239C – Cobalt, Center Cutting
Price Each Price Each
Diameter Shank Length Overall H.S. Cobalt Diameter Shank Length Overall H.S. Cobalt
of Cut Diameter of Cut Length 239 239C of Cut Diameter of Cut Length 239 239C
1/4 3/8 1-1/4 3-1/8 17.13 28.50 7/8 7/8 3-1/2 5-3/4 53.09 –
5/16 3/8 1-3/8 3-1/8 17.13 28.50 1 1 4 6-1/2 70.35 121.31
3/8 3/8 1-1/2 3-1/4 17.51 28.50 1-1/4 1-1/4 4 6-1/2 103.53 155.00
7/16 1/2 1-3/4 3-3/4 24.30 – 1-1/2 1-1/4 4 6-1/2 132.46 210.00
1/2 1/2 2 4 24.51 37.26 1-3/4 1-1/4 4 6-1/2 208.37 270.00
5/8 5/8 2-1/2 4-5/8 34.51 55.00 2 1-1/4 4 6-1/2 229.20 314.99
3/4 3/4 3 5-1/4 42.47 71.88 2 2 4 7-3/4 241.20 314.99

3-Flute Double-End End Mills

High Speed Steel

List No. 263 – Center Cutting
Diameter Shank Length Overall Price Diameter Shank Length Overall Price
of Cut Diameter of Cut Length Each of Cut Diameter of Cut Length Each
1/8 3/8 3/8 3-1/8 15.97 15/32 1/2 1 4-1/4 24.15
5/32 3/8 7/16 3-1/8 17.00 1/2 1/2 1 4-1/4 24.15
3/16 3/8 1/2 3-1/8 15.97 9/16 5/8 1-3/8 5 34.01
7/32 3/8 9/16 3-1/8 15.97 5/8 5/8 1-3/8 5 34.01
1/4 3/8 5/8 3-3/8 15.97 11/16 3/4 1-5/8 5-3/8 42.00
9/32 3/8 11/16 3-3/8 17.00 3/4 3/4 1-5/8 5-5/8 43.27
5/16 3/8 3/4 3-3/8 15.97 13/16 7/8 1-1/2 6-1/4 55.00
11/32 3/8 3/4 3-3/8 17.00 7/8 7/8 1-7/8 6-1/4 58.93
3/8 3/8 3/4 3-3/8 15.97 15/16 1 1-7/8 6-1/4 71.67
7/16 1/2 1 4-1/4 24.15 1 1 1-7/8 6-1/2 71.67
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