90° Square Shoulder End Mills & Shell Mills
Square Shoulder End Mills
("C" denotes coolant thru tool)
NEW: 1.25" cutters and smaller are available without weldon flats in limited supplies. Add WOF to end of part number when ordering.
d2 = shank diameter; l1 = overall length; l2 = effective length
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End Mills Cutting Dia. (D) Holder Depth of Cut Flutes d2 l1 l2 Inserts .500" SSEM0500-0625-R35-1 .350" 1 .625" 2.750" .968" APET1003.. / XPET1003.. .625" SSEM0625-0625-R35-2 .350" 2 .625" 3.000" 1.093" APET1003.. / XPET1003.. .750" SSEM0750-0750-R35-2 .350" 2 .750" 3.500" 1.468" APET1003.. / XPET1003.. .750" SSEM0750-0750-R35-2C .350" 2 .750" 3.500" 1.468" APET1003.. / XPET1003.. .750" SSEM0750-0750-R35-3 .350" 3 .750" 3.500" 1.468" APET1003.. / XPET1003.. NEW .625" SSEM0625-0750-R55-1 .550" 1 .750" 3.350" 1.150" APET1604.. / XPET1604.. .750" SSEM0750-0750-R55-1 .550" 1 .750" 3.490" 1.400" APET1604.. / XPET1604.. 1.000" SSEM1000-0750-R35-4 .350" 4 .750" 3.500" 1.468" APET1003.. / XPET1003.. 1.000" SSEM1000-1000-R35-3C .350" 3 1.000" 4.000" 1.718" APET1003.. / XPET1003.. 1.000" SSEM1000-1000-R55-2 .550" 2 1.000" 4.000" 2.000" APET1604.. / XPET1604.. 1.000" SSEM1000-1000-R55-2C .550" 2 1.000" 4.000" 2.000" APET1604.. / XPET1604.. 1.000" SSEM1000-1000-R55-2LC .550" 2 1.000" 5.280" 3.000" APET1604.. / XPET1604.. 1.250" SSEM1250-1250-R35-5C .350" 5 1.250" 4.000" 1.718" APET1003.. / XPET1003.. 1.250" SSEM1250-1250-R55-3 .550" 3 1.250" 4.000" 1.718" APET1604.. / XPET1604.. 1.250" SSEM1250-1250-R55-3C .550" 3 1.250" 4.000" 1.718" APET1604.. / XPET1604.. 1.500" SSEM1500-1250-R55-3 .550" 3 1.250" 4.400" 2.118" APET1604.. / XPET1604.. 1.500" SSEM1500-1250-R55-4 .550" 4 1.250" 4.400" 2.118" APET1604.. / XPET1604.. 1.500" SSEM1500-1250-R55-4C .550" 4 1.250" 4.400" 2.118" APET1604.. / XPET1604..
Square Shoulder Extended Reach End Mills
("C" denotes coolant thru tool)
d2 = shank diameter; l1 = overall length; l2 = effective length
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Extended Reach End Mills Cutting Dia. (D) Holder Depth of Cut Flutes d2 l1 l2 Inserts .500" SSER0500-2000-R35-1 .350" 1 .625" 3.907" 2.000" APET1003.. / XPET1003.. .625" SSER0625-2500-R35-2C .350" 2 .750" 4.410" 2.500" APET1003.. / XPET1003.. .750" SSER0750-2500-R35-2C .350" 2 1.000" 4.782" 2.500" APET1003.. / XPET1003.. .750" SSER0750-4000-R35-2C .350" 2 1.000" 6.282" 4.000" APET1003.. / XPET1003.. 1.000" SSER1000-4000-R55-2C .550" 2 1.250" 6.282" 4.000" APET1604.. / XPET1604.. 1.000" SSER1000-6000-R55-2C .550" 2 1.250" 8.282" 6.000" APET1604.. / XPET1604.. 1.250" SSER1250-4000-R55-3C .550" 3 1.250" 6.282" 4.000" APET1604.. / XPET1604.. 1.500" SSER1500-4000-R55-3C .550" 3 1.500" 7.250" 4.000" APET1604.. / XPET1604.. 1.500" SSER1500-6000-R55-3C .550" 3 1.500" 9.250" 6.000" APET1604.. / XPET1604..
Square Shoulder Extended Reach End Mills with Carbide Core
d2 = shank diameter; l1 = overall length; l2 = effective length
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Carbide Core Extended Reach End Mills Cutting Dia. (D) Holder Depth of Cut Flutes d2 l1 l2 Inserts .750" CC-SSER0750-2500-R35-2 .350" 2 1.000" 4.782" 2.500" APET1003.. / XPET1003.. .750" CC-SSER0750-4000-R35-2 .350" 2 1.000" 6.282" 4.000" APET1003.. / XPET1003.. 1.000" CC-SSER1000-4000-R55-2 .550" 2 1.250" 6.282" 4.000" APET1604.. / XPET1604.. 1.000" CC-SSER1000-6000-R55-2 .550" 2 1.250" 8.282" 6.000" APET1604.. / XPET1604.. NEW 1.250" CC-SSER1250-3200-R55-3 .550" 3 1.250" 5.500" 2.620" APET1604.. / XPET1604.. 1.250" CC-SSER1250-4000-R55-3 .550" 3 1.250" 6.282" 4.000" APET1604.. / XPET1604.. 1.250" CC-SSER1250-6000-R55-3 .550" 3 1.500" 9.250" 6.000" APET1604.. / XPET1604.. 1.500" CC-SSER1500-4000-R55-3 .550" 3 1.500" 6.690" 4.000" APET1604.. / XPET1604.. 1.500" CC-SSER1500-6000-R55-3 .550" 3 1.500" 8.690" 6.000" APET1604.. / XPET1604..
Square Shoulder Shell Mills
d2 = arbor diameter; h = overall height; l = arbor depth
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Standard Pitch Shell Mills Cutting Dia. (D) Holder Depth of Cut Flutes d2 h l Inserts 1.500" SSSM1500-0500-R55-4 .550" 4 .500" 1.500" .650" APET..1604 / XPET1604.. 2.000" SSSM2000-0750-R55-4 .550" 4 .750" 1.500" .750" APET..1604 / XPET1604.. 2.000" SSSM2000-0750-R55-5 .550" 5 .750" 1.500" .750" APET..1604 / XPET1604.. 2.500" SSSM2500-1000-R55-5 .550" 5 1.000" 1.500" .750" APET..1604 / XPET1604.. 3.000" SSSM3000-1000-R55-6 .550" 6 1.000" 2.000" .750" APET..1604 / XPET1604.. 4.000" SSSM4000-1500-R55-8 .550" 8 1.500" 2.000" 1.000" APET..1604 / XPET1604.. 5.000" SSSM5000-1500-R55-8 .550" 8 1.500" 2.000" 1.000" APET..1604 / XPET1604.. 6.000" SSSM6000-1500-R55-10 .550" 10 1.500" 2.000" 1.000" APET..1604 / XPET1604.. -
Coarse Pitch Shell Mills Cutting Dia. (D) Holder Depth of Cut Flutes d2 h l Inserts 2.000" SSSM2000-0750-R55-3 .550" 3 .750" 1.500" .750" APET..1604 / XPET1604.. 3.000" SSSM3000-1000-R55-3 .550" 3 1.000" 2.000" .750" APET..1604 / XPET1604..
Helical Roughing End Mills
d2 = shank diameter; l1 = overall length; l2 = effective length
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Carbide Core Extended Reach End Mills Cutting Dia. (D) Holder Depth of Cut Flutes d2 l1 l2 No. of Inserts Inserts 1.000" HREM1000-1000-R2-120 1.200" 2 1.000" 4.500" 2.040" 8 APET..1003 / XPET1003.. 1.250" HREM1250-1250-R2-165 1.650" 2 1.250" 4.875" 2.440" 6 APET..1604 / XPET1604.. 1.500" HREM1500-1250-R3-215 2.150" 3 1.250" 4.875" 2.440" 12 APET..1604 / XPET1604..
Screw-On Modular Heads
Dapra's line of screw-on heads fits industry standard cutting systems:
- Compatible with ISO standard modular cutting systems
- Close-tolerance mounting of heads minimizes runout and maximizes rigidity
- Provide significantly more effective reach than solid end mills
- Use standard inch wrench flats, no special metric wrenches needed
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Square Shoulder Screw-On Heads Dia. Holder M DOC E Flutes Inserts Open-End Wrench .750" SSEM0750-MOD-R35-2 M10 .350" 1.50" 2 APET1003.. / XPET1003.. 9/16" 1.000" SSEM1000-MOD-R55-2 M12 .550" 1.50" 2 APET1604.. / XPET1604.. 11/16" 1.250" SSEM1250-MOD-R55-3 M16 .550" 1.75" 3 APET1604.. / XPET1604.. 15/16" 1.500" SSEM1500-MOD-R55-3 M16 .550" 1.75" 3 APET1604.. / XPET1604.. 15/16"
Modular Extensions
Dapra's modular extensions provide even more cutting options:
- Made of high-density tungsten, providing extra resistance to deflection and chatter
- Machined on both ends; can be cut in half and used with two different modular heads
- Metric shank diameter provides clearance for each inch size modular head
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Modular Extensions For Head Diameter Modular Extensions OAL Shank Diameter (S) .750" ME-0750-18MM-900 9" 18mm 1.000" ME-1000-25MM-1100 11" 25mm 1.250" ME-125/150-25MM-1200 12" 25mm 1.500" ME-125/150-25MM-1200 12" 25mm
Utility Cutters
Make the most of your APET and XPET Inserts!
BCSM shell mills allow the unused corner of the APET/XPET inserts to be used for general face milling - this means you get 4 usable edges per insert instead of 2!
CMEM end mills are perfect for chamfer milling, providing a free-cutting positive geometry for both 30° and 45° chamfering.
d2 = arbor diameter;
h = overall height;
l = arbor depth
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15° Back Corner Shell Mills (BCSM) Cutting Dia. (D) Holder Depth of Cut Flutes OD d2 h l Inserts 2.000" BCSM2000-0750-R35-4 .250" 4 2.11" .750" 1.500" .780" APET1003.. / XPET1003.. 3.000" BCSM3000-1000-R55-5 .375" 5 3.16" 1.000" 2.000" .800" APET1604.. / XPET1604.. 
d2 = shank diameter;
l1 = overall height;
l2 = effective length
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Chamfering End Mills (CMEM) Cutting Dia. (D) Holder Depth of Cut Flutes OD d2 l1 l2 A Inserts .750" CMEM0750-30-R35-3 .300" 3 1.05" .750" 3.50" 1.45" 30° APET1003.. / XPET1003.. .750" CMEM0750-45-R35-3 .245" 3 1.18" .750" 3.50" 1.45" 45° APET1003.. / XPET1003.. 1.000" CMEM1000-30-R55-3 .475" 3 1.53" 1.000" 4.00" 1.72" 30° APET1604.. / XPET1604.. 1.000" CMEM1000-45-R55-3 .390" 3 1.76" 1.000" 4.00" 1.72" 45° APET1604.. / XPET1604..
APKT-Compatible Square Shoulder End Mills
d2 = shank diameter; l1 = overall length; l2 = effective length
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APKT-Compatible End Mills Cutting Dia. (D) Holder Depth of Cut Flutes d2 l1 l2 Inserts 1.000" SSIE1000-1000-R35-4 .350" 4 1.000" 3.380" 1.160" APKT100304 1.250" SSIE1250-1000-R35-5 .350" 5 1.000" 3.750" 1.450"
Dapra 90° Square Shoulder products are made in the USA.