Page 116 - Republic Drill

Bonding Bits

High Speed Steel & Cobalt
Recommended for tough alloyed rails
HOLE MAKING Cobalt/Nitride Coated – 145° Notched Point H.S. Rail Web Type – 135° Split Point

List No. 366 – Cobalt, Flatted Shank
List No. 366R – Cobalt, Round Shank
List No. 366N – Nitride Coated Cobalt, Flatted Shank
List No. 363 – Flatted Shank
List No. 366RN – Nitride Coated Cobalt, Round Shank
List No. 363R – Round Shank

Price Each Price Each
Cobalt N. Coated Cobalt
Flute
Overall
Diameter Length Length Flatted Round Flatted Round Diameter Flute Overall Flatted Round
366 366R 366N 366RN Length Length 363 363R
3/8 1-3/4 3 15.59 13.76 17.15 14.63 3/8 1-1/2 3 7.61 6.25

H.S. Rail Head Type – 118° Point H.S. Universal Type – 118° Point
List No. 364 – Flatted Shank List No. 365 – Flatted Shank
List No. 364R – Round Shank List No. 365R – Round Shank

Price Each Price Each
Flute Overall Flatted Round Flute Overall Flatted Round
Diameter Diameter
Length Length 364 364R Length Length 365 365R
3/8 1" 3 7.61 6.25 3/8 1-3/4 3 7.61 6.25

Tie Boring Bits

High Speed Steel

Single Flute
List No. 380F – 90° Point, Flatted Shank
List No. 380R – 90° Point, Round Shank
Price Each
Flute
Diameter Length Overall Flatted Round The single flute design can be used successfully in
Length
380R
380F
hand-held drill motor applications with less operator fatigue.
9/16 6-3/8 9-3/8 39.80 36.83 The tool acts in a screw-like movement, feeding itself into
5/8 6-3/8 9-3/8 49.77 46.79 the material while removing maximum chip volume.
Two Flute
List No. 370F – 70° Point, Flatted Shank
List No. 370R – 70° Point, Round Shank These tools are specifically designed for drilling spike
List No. 390F – 90° Point, Flatted Shank holes in wooden ties.They combine ease of penetration
List No. 390R – 90° Point, Round Shank with rapid chip removal in deep hole, hardwood drilling.
List No. 390SS – 90° Point, Set Screw
Price Each
70° Point 90° Point
Flute
Diameter Length Overall Flatted Round Flatted Round Set Screw
Length
370F 370R 390F 390R 390SS
9/16 6-3/8 9-3/8 38.93 36.83 41.26 38.49 41.27
5/8 6-3/8 9-3/8 51.82 48.51 51.82 48.51 ––
3/4 6-3/8 9-3/8 –– –– 74.21 72.14 ––

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