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DRILLING | Structural Steel Replaceable Insert Drilling System

XTP TAP TAS HPU APX 4TX REV OPN SSD ACP BTA WHL CRT ALV BRN THM Structural Steel: Recommended Cutting Data Imperial (inch) ISO Material Hardness (BHN) P Structural Steel 100 - 150 A36, A285, A516, A572, etc. 150 - 250 250 - 350 Metric (mm) ISO Material Hardness (BHN) P Structural Steel 100 - 150 A36, A285, A516, A572, etc. 150 - 250 250 - 350 Speed and Feed Multiplier Depth of Cut <= 1.5xD > 1.5xD Speed See above chart 0.75 Feed See above chart 0.90

Speed (SFM) - Mist Coolant

Feed Rate (IPR) by Diameter

12 series 0.4724" - 0.5117"

13 series 0.5118" - 0.5511"

14 series 0.5512" - 0.5905"

15 series 0.5906" - 0.6298"

AM420 Speed

350 300 260

0.008 0.007 0.006

0.009 0.008 0.007

0.010 0.009 0.008

0.010 0.009 0.008

Speed (M/min) - Mist Coolant

Feed Rate (mm/rev) by Diameter

12 series 12.00 mm - 12.99 mm

13 series 13.00 mm - 13.99 mm

14 series 14.00 mm - 14.99 mm

15 series 15.00 mm - 15.99 mm

AM420 Speed

107

0.20 0.18 0.15

0.22 0.20 0.17

0.25 0.23 0.20

0.25 0.23 0.20

91 79

NOTE: The speeds and feeds listed above are based on a rigid setup using air mist through tool coolant. Speed may be increased up to 50% if using high pressure flood or through coolant. NOTE: If drilling dry without coolant, speed must be reduced significantly based on setup, drill depth, and material hardness. Up to 50% speed and feed reduction may be necessary in these types of applications. Contact the Application Engineering department for assistance. ext: 7611 | email: appeng@alliedmachine.com NOTE: If drilling material thickness of 0.500" (12.7mm) or less, a minimum of 10% reduction in feed is required to minimize material deflection.

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