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GARR TOOL Drilling Guide for Aluminum Series 3-Flute Drills

TECHNICAL

O
CHIPL
CHIPLOAD PER TOOTH (Fz)
AD PER
TH (Fz)
OO
T
Material Type SFM (Vc) 3/16" 1/4" 5/16" 3/8" 1/2" 5/8"
Aluminum Alloy 6061 450 - 650 .0020" - .0040" .0025" - .0050" .0035" - .0060" .0045" - .0070" .0055" - .0080" .0065" - .0100"
Cast Aluminum 380 300 - 500 .0015" - .0030" .0020" - .0040" .0030" - .0050" .0030" - .0060" .0035" - .0070" .0040" - .0080"
Magnesium 250 - 500 .0015" - .0030" .0020" - .0040" .0030" - .0050" .0030" - .0060" .0035" - .0070" .0040" - .0080"
Copper & Brass 250 - 400 .0010" - .0025" .0020" - .0030" .0020" - .0030" .0020" - .0040" .0030" - .0050" .0030" - .0060"
Titanium 6Al-4V 100 - 300 .0010" - .0020" .0020" - .0030" .0020" - .0030" .0020" - .0040" .0030" - .0050" .0030" - .0060"

CHIPLOAD PER TOOTH (Fz)
CHIPL O AD PER T OO TH (Fz)
Material Type M/Min. (Vc) 4,0mm 6,0mm 8,0mm 10,0mm 12,0mm 16,0mm
Aluminum Alloy 6061 140 - 200 0,050 - 0,100 0,065 - 0,125 0,090 - 0,150 0,115 - 0,175 0,150 - 0,200 0,165 - 0,250
Cast Aluminum 380 90 - 150 0,038 - 0,075 0,050 - 0,100 0,075 - 0,125 0,075 - 0,150 0,090 - 0,175 0,100 - 0,200
Magnesium 75 - 150 0,038 - 0,075 0,050 - 0,100 0,075 - 0,125 0,075 - 0,150 0,090 - 0,175 0,100 - 0,200
Copper, Brass 75 - 120 0,025 - 0,060 0,050 - 0,075 0,050 - 0,075 0,050 - 0,100 0,075 - 0,125 0,075 - 0,150
Titanium 6Al-4V 30 - 90 0,025 - 0,050 0,050 - 0,075 0,050 - 0,075 0,050 - 0,100 0,075 - 0,125 0,075 - 0,150

NOTE - ABOVE ARE STARTING PARAMETERS ONLY. HIGHER RESULTS MAY BE ACHIEVED WITH OPTIMUM CONDITIONS.

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