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Square Broaches
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Transform round holes into finely finished square holes. Drill a pilot hole into your workpiece using the drill size listed. Use with hand and hydraulic arbor presses. No shims or bushings are required.
Square Size | Actual Square Size | Actual Square Size Tolerance | Overall Lg. | Use with Drill Bit Size | Shank Shape | For Use On | Each | |||
|---|---|---|---|---|---|---|---|---|---|---|
Uncoated High-Speed Steel | ||||||||||
| 1/8" | 0.1260" | -0.0005" to 0.0005" | 4 1/8" | 30 Ga. | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A11 | 0000000 | ||
| 5/32" | 0.1570" | -0.0005" to 0.0005" | 5 1/8" | 21 Ga. | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A12 | 000000 | ||
| 3/16" | 0.1885" | -0.0005" to 0.0005" | 5 9/16" | 10 Ga. | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A13 | 000000 | ||
| 1/4" | 0.2510" | -0.0005" to 0.0005" | 6 1/2" | 17/64" | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A15 | 000000 | ||
| 9/32" | 0.2820" | -0.0005" to 0.0005" | 7 3/4" | 19/64" | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A16 | 000000 | ||
| 5/16" | 0.3135" | -0.0005" to 0.0005" | 7 7/8" | 21/64" | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A17 | 000000 | ||
| 3/8" | 0.3760" | -0.0005" to 0.0005" | 9 3/8" | 25/64" | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A19 | 000000 | ||
| 7/16" | 0.4385" | -0.0005" to 0.0005" | 10 7/8" | 29/64" | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A22 | 000000 | ||
| 1/2" | 0.5010" | -0.0005" to 0.0005" | 12" | 17/32" | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A24 | 000000 | ||
| 9/16" | 0.5635" | -0.0005" to 0.0005" | 14 3/4" | 19/32" | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A25 | 000000 | ||
| 5/8" | 0.6265" | -0.0005" to 0.0005" | 16 5/16" | 21/32" | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A26 | 000000 | ||
| 3/4" | 0.7515" | -0.0005" to 0.0005" | 17 3/4" | 13/16" | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A28 | 000000 | ||
| 1" | 1.0025" | -0.0005" to 0.0005" | 24 1/8" | 1 3/32" | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 3156A32 | 00000000 | ||
| 4 mm | 4.0069 mm | -0.0102 mm to 0.0127 mm | 5 1/8" | 4.1 mm | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 8757A41 | 000000 | ||
| 5 mm | 5.0051 mm | -0.0102 mm to 0.0127 mm | 6 1/2" | 5.2 mm | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 8757A42 | 000000 | ||
| 6 mm | 6.0096 mm | -0.0102 mm to 0.0127 mm | 6 11/16" | 6.4 mm | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 8757A43 | 000000 | ||
| 7 mm | 7.0104 mm | -0.0102 mm to 0.0127 mm | 7 3/4" | 7.4 mm | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 8757A44 | 000000 | ||
| 8 mm | 8.0112 mm | -0.0102 mm to 0.0127 mm | 7 7/8" | 8.4 mm | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 8757A45 | 000000 | ||
| 10 mm | 10.0101 mm | -0.0102 mm to 0.0127 mm | 10 1/4" | 10.4 mm | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 8757A46 | 000000 | ||
| 12 mm | 12.0091 mm | -0.0102 mm to 0.0127 mm | 12" | 12.8 mm | Square | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 8757A47 | 000000 | ||
Rotary Square Broaches
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Changing round holes into a square shape more accurately than traditional push broaches, these broaches go in CNC and milling machines. Use them with a rotary broach holder (sold separately), which slightly angles the broach so only one corner is cutting at a time. The square holes these broaches cut are good for holding square shafts in finished parts. They work on through holes as well as blind holes, which don’t go all the way through. If you’re cutting soft material, don’t have a CNC or milling machine, or don’t need accuracy, use these broaches in the traditional push style, without the holder.
Square Size | Square Size Tolerance | Max. Dp. of Cut | Overall Lg. | Shank Shape | For Use On | Each | |||
|---|---|---|---|---|---|---|---|---|---|
M2 High-Speed Tool Steel | |||||||||
0.315" Diameter Shank | |||||||||
| 3/32" | 0" to 0.001" | 9/64" | 1 1/4" | Round | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 4094N12 | 000000 | ||
| 5/32" | 0" to 0.001" | 1/4" | 1 1/4" | Round | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 4094N14 | 00000 | ||
| 3/16" | 0" to 0.001" | 9/32" | 1 1/4" | Round | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 4094N15 | 00000 | ||
| 1/4" | 0" to 0.001" | 3/8" | 1 1/4" | Round | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 4094N17 | 00000 | ||
| 3/8" | 0" to 0.001" | 3/8" | 1 1/4" | Round | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 4094N22 | 000000 | ||
1/2" Diameter Shank | |||||||||
| 3/32" | 0" to 0.001" | 9/64" | 1 3/4" | Round | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 4094N23 | 00000 | ||
| 1/8" | 0" to 0.001" | 3/16" | 1 3/4" | Round | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 4094N24 | 00000 | ||
| 1/4" | 0" to 0.001" | 3/8" | 1 3/4" | Round | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 4094N28 | 00000 | ||
| 9/32" | 0" to 0.001" | 7/16" | 1 3/4" | Round | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 4094N29 | 00000 | ||
| 5/16" | 0" to 0.001" | 1/2" | 1 3/4" | Round | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 4094N31 | 00000 | ||
| 3/8" | 0" to 0.001" | 5/8" | 1 3/4" | Round | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 4094N33 | 000000 | ||
| 1/2" | 0" to 0.001" | 5/8" | 1 3/4" | Round | Aluminum, Brass, Bronze, Iron, Plastic, Steel | 4094N35 | 000000 | ||
