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Broach: Keyway Hexagon and Square One Pass Inch and Metric Sizes

Part Number:815-
Broach: Keyway Hexagon and Square One Pass Inch and Metric Sizes
Broach Keyway Hexagon, Square, Inch, Metric

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Description

Standard inch, full square broaches are HSS push type;
 designed for one-pass finishing when used with arbor or hydraulic press, or vertical broaching machine.

Broaches are designed to generate in one-pass a Square hole in a previously cast or drilled round hole. Standard Square Broaches begin in an over sized pilot hole and generate the square hole while leaving small radii on the flats. This design is acceptable in over 90% of Square Hole applications and reduces stock removal allowing for a shorter more efficient Broach. Full Square Broaches are available leaving no radii in the flats of the broached piece. These Internal Hole Broaches are ideal for drive jigs, fixtures, and all other applications requiring a finished square through hole. Available in both American Standard, and Metric sizes as well as coated.

Specials: We are Able to supply Special Standard and Full Square Broaches to your specifications. All standard items are available with TiN, or TiAlN coatings. Please contact factory for details.


EDP No. Size Square Tolerance Dimension Across Corners Pilot Diameter Drill Size Broach Length Min. Length of Cut Max. Length of Cut
13008 1/8" .1250" - .1260" .1750" - .1770" .1280" #30 4 5/8" 3/16" 1/2"
 
13010 5/32" .1565" - .1575" .2180" - .2200" .1585" #21 5 5/8" 1/4" 1/2"
 
13012 3/16" .1880" - .1890" .2620" - .2640" .1930" #10 5 11/16" 1/4" 5/8"
 
13014 7/32" .2190" - .2200" .3050" - .3070" .2275" #1 6 7/8" 1/4" 3/4"
 
13016 1/4" .2505" - .2515" .3500" - .3520" .2651" 17/64" 7" 1/4" 3/4"
 
13018 9/32" .2815" - .2825" .3930" - .3950" .2964" 19/64" 7 1/4" 3/8" 1"
 
13020 5/16" .3130" - .3140" .4370" - .4390" .3276" 21/64" 8 1/8" 3/8" 1"
 
13022 11/32" .3440" - .3450" .4810" - .4830" .3589" 23/64" 9 5/8" 3/8" 1 1/4"
 
13024 3/8" .3755" - .3765" .5230" - .5250" .3901" 25/64" 9 7/8" 3/8" 1 1/4"
 
13026 13/32" .4065" - .4075" .5680" - .5700" .4214" 27/64" 10 7/8" 1/2" 1 3/8"
 
13028 7/16" .4385" - .4395" .6110" - .6130" .4526" 29/64" 11 3/8" 1/2" 1 3/8"
 
13030 15/32" .4690" - .4700" .6560" - .6580" .4995" 1/2" 12 1/2" 1/2" 1 3/8"
 
13032 1/2" .5005" - .5015" .6970" - .6990" .5307" 17/32" 12 5/8" 1/2" 1 3/8"
 
13036 9/16" .5630" - .5640" .7860" - .7880" .5932" 19/32" 14 7/8" 1/2" 1 1/2"
 
13040 5/8" .6260" - .6270" .8710" - .8730" .6557" 21/32" 16 13/16" 5/8" 1 5/8"
 
13044 11/16" .6885" - .6895" .9610" - .9630" .7495" 3/4" 18 1/2" 5/8" 1 5/8"
 
13048 3/4" .7510" - .7520" 1.0450" - 1.0470" .8120" 13/16" 18 7/8" 5/8" 1 5/8"
 
13056 7/8" .8765" - .8775" 1.2280" - 1.0300" .9370" 15/16" 22 3/4" 1/2" 2"
 
13064 1" 1.0020" - 1.0030" 1.4030" - 1.4050" 1.0932" 1 3/32" 24 1/2" 1/2" 2"


EDP No.
Size Square Tolerance Dimension Across Corners Pilot Diameter Drill Size Broach Length Min. Length of Cut Max. Length of Cut
17001 4 mm .1580" - .1585" .2080" - .2090" .1655" 4.2 mm 5 9/16" 5/16" 5/8"
                 
17002 5 mm .1973" - .1983" .2645" - .2655" .2047" 5.2 mm 6 7/8" 3/8" 3/4"
                 
17003 6 mm .2367" - .2377" .3295" - .3300" .250" 6.35 mm 7" 3/8" 3/4"
                 
17004 8 mm .3155" - .3165" .4405" - .4410" .3267" 8.3 mm 8 3/16" 7/16" 7/8"
                 
17005 10 mm .3942" - .3952" .5435" - .5445" .4057" 10.3 mm 10 7/8" 1/2" 1"
                 
17006 12 mm .4729" - .4739" .6540" - .6550" .4921" 12.5 mm 12 1/2" 5/8" 1 1/4"
                 
17007 14 mm .5517" - .5527" .7700" - .7710" .5905" 15.0 mm 14 7/8" 3/4" 1 1/2"
                 
17008 16 mm .6310" - .6320" .8780" - .8790" .6693" 17.0 mm 16 13/16" 7/8" 1 3/4"
                 
17009 18 mm .7092" - .7102" .9880" - .9890" .7874" 20.0 mm 18 1/2" 7/8" 1 3/4"
                 
17010 20 mm .7879" - .7889" 1.0990" - 1.1000" .8661" 22.0 mm 18 7/8" 7/8" 1 3/4"
                 
17011 22 mm .8666" - .8676" 1.2110" - 1.2120" .9448" 24.0 mm 23 1/4" 7/8" 1 3/4"
                 
17012 24 mm .9454" - .9464" 1.3170" - 1.3180" 1.0236" 26.0 mm 24 9/16" 7/8" 1 3/4"
                 
17013 25 mm .9848" - .9858" 1.3730" - 1.3740" 1.0630" 27.0 mm 24 9/16" 7/8" 1 3/4"
Standard inch, full Hexagon broaches are HSS push type;
 designed for one-pass finishing when used with arbor or hydraulic press, or vertical broaching machine.
Broaches are designed to generate in one-pass a Hexagon hole in a previously cast or drilled round hole.
Available from stock in the most common American Standard sizes (1/8"-1").

Specials: We are fully equipped to manufacture Special Hexagon Broaches to your specifications.
All standard items are available with TiN, or TiAlN coatings.
Please contact factory for details.

EDP No. Hex Size Tolerance Diagonal Dimension Pilot Diameter Drill Size Broach Length Min. Length of Cut Max. Length of Cut Pressure Required for Max. L/C
12008 1/8" .1255" - .1260" .1450" - .1470" .1245" 1/8" 4 5/8" 3/16" 3/8" 120 lbs
                   
12010 5/32" .1565" - .1570" .1800" - .1820" .1557" 5/32" 5 1/2" 1/4" 1/2" 340 lbs
                   
12012 3/16" .1880" - .1890" .2145" - .2155" .1870" 3/16" 5 9/16" 1/4" 5/8" 520 lbs
                   
12014 7/32" .2190" - .2200" .2500" - .2520" .2182" 7/32" 6" 1/4" 3/4" 890 lbs
                   
12016 1/4" .2505" - .2515" .2865" - .2875" .2495" 1/4" 6 1/2" 1/4" 3/4" 1250 lbs
                   
12018 9/32" .2815" - .2825" .3220" - .3240" .2807" 9/32" 7 3/4" 3/8" 1" 1650 lbs
                   
12020 5/16" .3130" - .3140" .3580" - .3590" .3120" 5/16" 8 1/4" 3/8" 1" 2175 lbs
                   
12022 11/32" .3440" - .3450" .3950" - .3970" .3432" 11/32" 8 1/4" 3/8" 1 1/4" 3500 lbs
                   
12024 3/8" .3755" - .3765" .4300" - .4310" .3745" 3/8" 9" 3/8" 1 1/4" 3700 lbs
                   
12026 13/32" .4065" - .4075" .4670" - .4690" .4057" 13/32" 10" 1/2" 1 3/8" 4100 lbs
                   
12028 7/16" .4385" - .4395" .5020" - .5030" .4370" 7/16" 10 3/4" 1/2" 1 3/8" 4575 lbs
                   
12030 15/32" .4690" - .4700" .5390" - .5410" .4682" 15/32" 12 3/8" 1/2" 1 3/8" 4700 lbs
                   
12032 1/2" .5005" - .5015" .5740" - .5750" .4995" 1/2" 12 1/2" 1/2" 1 3/8" 5300 lbs
                   
12036 9/16" .5630" - .5640" .6480" - .6500" .5620" 9/16" 14 1/4" 1/2" 1 1/2" 6700 lbs
                   
12040 5/8" .6260" - .6270" .7170" - .7185" .6245" 5/8" 16 7/8" 5/8" 1 5/8" 7250 lbs
                   
12044 11/16" .6880" - .6890" .7930" - .7950" .6870" 11/16" 17" 5/8" 1 5/8" 9300 lbs
                   
12048 3/4" .7510" - .7520" .8610" - .8625" .7495" 3/4" 17 7/8" 5/8" 1 5/8" 13500 lbs
                   
12056 7/8" .8755" - .8765" 1.0060" - 1.0075" .8745" 7/8" 18 7/8" 5/8" 1 5/8" 18500 lbs
                   
12064 1" 1.0020" - 1.0030" 1.1520" - 1.1530" .9995" 1" 19 7/8" 5/8" 1 5/8" 20050 lbs
EDP No. Hex Size Tolerance Diagonal Dimension Pilot Diameter Drill Size Broach Length Min. Length of Cut Max. Length of Cut Pressure Required for Max. L/C
12104 4 mm .1580" - .1585" .1820" - .1830" .1575" 4.0" 5 1/2" 1/4" 1/2" 340 lbs
                   
12105 5 mm .1973" - .1983" .2270" - .2280" .1968" 5.0" 6" 1/4" 3/4" 890 lbs
                   
12106 6 mm .2367" - .2377" .2730" - .2740" .2362" 6.0" 6 1/2" 1/4" 3/4" 1250 lbs
                   
12107 7 mm .2760" - .2770" .3180" - .3190" .2756" 7.0" 7 3/4" 3/8" 1" 1650 lbs
                   
12108 8 mm .3155" - .3165" .3634" - .3644" .3150" 8.0" 8 1/4" 3/8" 1" 2175 lbs
                   
12110 10 mm .3942" - .3952" .4543" - .4553" .3937" 10.0" 10" 1/2" 1" 4100 lbs
                   
12112 12 mm .4729" - .4739" .5452" - .5462" .4724" 12.0" 12 3/8" 1/2" 1 3/8" 4700 lbs
                   
12114 14 mm .5517" - .5527" .6332" - .6342" .5512" 14.0" 14 1/4" 1/2" 1 3/8" 6700 lbs
                   
12116 16 mm .6310" - .6320" .7248" - .7258" .6290" 16.0" 16 7/8" 5/8" 1 1/2" 7250 lbs
                   
12118 18 mm .7092" - .7102" .8150" - .8160" .7087" 18.0" 17" 5/8" 1 5/8" 9400 lbs
                   
12120 20 mm .7879" - .7889" .9049" - .9059" .7874" 20.0" 17 7/8" 5/8" 1 5/8" 14150 lbs
                   
12122 22 mm .8666" - .8676" .9958" - .9968" .8661" 22.0" 18 7/8" 5/8" 1 5/8" 18500 lbs
                   
12124 24 mm .9454" - .9464" 1.0868" - 1.0878" .9449" 24.0" 19 7/8" 5/8" 1 5/8" 20500 lbs
                   
12125 25 mm .9848" - .9858" 1.1323" - 1.1333" .9842" 25.0" 19 7/8" 5/8" 1 5/8" 22000 lbs

Broaching with One-Pass Keyway Broaches requires the use of a Bushing. The Bushing size and Style are determined by the bore diameter
of the workpiece as well as the Style of Broach to be used. "A" Style Broaches are used with "A" Style Bushings, "B" Style Broaches with "B" Style
Bushings, etc. No Shims are required. The Broach cuts to full width and depth in one pass. To insure proper support the length of cut must never
exceed the length of the bushing being used. All individual stock Broaches have recommended Minimum and Maximum Length of Cut guidelines
which should be followed. Workpieces may be stacked to establish the Minimum Length of Cut, or to improve the efficiency of the operation as long
as the Maximum Length of Cut is not exceeded. Proper nesting and clamping of stacked parts is vital when this approach is taken. The workpiece
must be solidly fixed or nested perfectly square with the baseplate and ram face. Make sure all square and parallel surfaces on the face of the ram
and baseplate remain true. It is essential to maintain a rigid set-up at all times and caution should be taken when stacking parts to maintain the
integrity of the set-up. Never attempt to exceed the Broach's specified Maximum Length of Cut. Do not use a dull Broach, this may result in poor
finish or damage to part and increases the danger of breakage. At the beginning of a cut, be sure the Broach is centered under the ram. Proper
alignment is important. After the Broach starts to cut, back off pressure on the ram allowing the Broach to center itself, providing for better alignment.
If the Broach moves out of alignment after starting cut, back off the pressure on the ram and align the broach itself. Repeat this procedure during
successive cuts. This will assure a perfectly straight broached hole.

Select the right Bushing for the bore (sizes are plainly marked) and insert in the bore of workpiece.
Insert Broach (which is also plainly marked for size) for the desired width of keyway into the Bushing slot and check alignment.
Place this assembly in the press.
Lubricate.
Apply pressure to the Broach - back off pressure on the ram allowing the Broach to center itself, providing for better alignment.
If the Broach moves out of alignment after starting cut, back off the pressure on the ram and align the broach itself - reapply pressure to push
Broach through the work.
Clean Broach using a stiff brush to remove chips from cutting section.
Repeat steps 2 thru 6 for subsequent parts.

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