Product Comparison

Part Number	3990	6450	6500	6570	6770
Product	HiTorque 3990 Mini Mill	HiTorque 6450 Deluxe LED Mini Mill	HiTorque 6500 Bench Mill	HiTorque 6570 Deluxe Bench Mill	HiTorque 6770 Deluxe Large Bench Mill
End Milling Capacity	0.6" (16 mm)	0.6" (16 mm)	0.6" (16 mm)	0.6" (16 mm)	0.8" (20 mm)
Face Milling Capacity	1.2" (30 mm)	1.2" (30 mm)	2.0" (50 mm)	2.0" (50 mm)	2.95" (75.0 mm)
Drilling Capacity	0.5" (13 mm)	0.5" (13 mm)	0.8" (20 mm)	0.8" (20 mm)	1.18" (30.0 mm)
Table Size	18.1" x 4.7" (460 mm x 120 mm)	18.1" x 4.7" (460 mm x 120 mm)	27.6" x 6.3" (700 mm x 160 mm)	27.6" x 6.3" (700 mm x 160 mm)	29.1" x 7.1" (740 mm x 180 mm)
T-Slots	3 slots 0.47" (12.0 mm) wide	3 slots 0.47" (12.0 mm) wide	3 slots 0.47" (12.0 mm) wide	3 slots 0.47" (12.0 mm) wide	3 slots 0.47" (12.0 mm) wide
X-Axis Travel	11.8" (300 mm)	11.8" (300 mm)	19.7" (500 mm)	19.7" (500 mm)	19.7" (500 mm)
Y-Axis Travel	5.1" (130 mm)	5.1" (130 mm)	5.7" (145 mm)	5.5" (140 mm)	8.5" (215 mm)
Z-Axis Travel	10.6" (270 mm)	10.6" (270 mm)	11.6" (295 mm)	11.6" (295 mm)	11.8" (300 mm)
Throat	6.5" (165 mm)	6.5" (165 mm)	7.5" (190 mm)	7.5" (190 mm)	9.06" (230.0 mm)
X- and Y-Axis Feed Screws	0.062" (1.59 mm) per rotation	0.062" (1.59 mm) per rotation	0.100" (2.54 mm) per rotation	0.100" (2.54 mm) per rotation	0.100" (2.54 mm) per rotation
Quill Travel			2.8" (71 mm)	2.8" (71 mm)	3.07" (78.0 mm)
Maximum Spindle to Table	11.5" (292 mm)	11.5" (292 mm)	14.6" (370 mm)	12.2" (310 mm)	13.39" (340.0 mm)
Positioning Accuracy	0.0004" (0.010 mm)	0.0004" (0.010 mm)	0.0004" (0.010 mm)	0.0004" (0.010 mm)	0.0004" (0.010 mm)
Spindle Taper	R8	R8	R8	R8	R8
Spindle Motor	0.67 hp (500 Watts)	0.67 hp (500 Watts)	1.01 hp (750 Watts)	1.01 hp (750 Watts)	1.34 hp (1000 Watts)
Spindle Speed	100 - 2500 RPM	100 - 2500 RPM	100 - 2000 RPM	100 - 2000 RPM
Spindle Speed, Low Range					80 - 1500 RPM
Spindle Speed, High Range					280 - 5000 RPM
Power Requirements	120 V 60 Hz 8 Amps	120 V 60 Hz 8 Amps	120 V 60 Hz 10 Amps	120 V 60 Hz 10 Amps	120 V 60 Hz 14 Amps
Machine Weight	124 lbs (56 kg)	187 lbs (85 kg)	245 lbs (111 kg)	245 lbs (111 kg)	396 lbs (180 kg)
Base Dimensions (W x D)	8.5" x 14.2" (216 mm x 362 mm)	8.5" x 14.2" (216 mm x 362 mm)	9.1" x 16.1" (230 mm x 410 mm)	9.1" x 16.1" (230 mm x 410 mm)	11.0" x 20.1" (280 mm x 510 mm)
Mounting Holes Center to Center (W x D)	7.09" x 11.81" (180.0 mm x 300.0 mm)	7.09" x 11.81" (180.0 mm x 300.0 mm)	8.27" x 12.01" (210.0 mm x 305.0 mm)	8.27" x 12.01" (210.0 mm x 305.0 mm)	10.00" x 14.17" (254.0 mm x 360.0 mm)
Overall Dimensions (W x D x H)	23.2" x 19.7" x 36.3" (590 mm x 500 mm x 922 mm)	23.2" x 19.7" x 36.3" (590 mm x 500 mm x 922 mm)	34.6" x 25.0" x 28.5" (880 mm x 635 mm x 725 mm)	34.6" x 25.0" x 28.5" (880 mm x 635 mm x 725 mm)	37.0" x 30.5" x 36.5" (940 mm x 775 mm x 927 mm)
Crated Weight	161 lbs (73 kg)	205 lbs (93 kg)	275 lbs (125 kg)	292 lbs (133 kg)	412 lbs (187 kg)
Crate Dimensions (W x D x H)	23.6" x 25.0" x 29.9" (600 mm x 635 mm x 760 mm)	26.0" x 24.8" x 35.0" (660 mm x 630 mm x 890 mm)	36.0" x 28.0" x 34.0" (914 mm x 711 mm x 864 mm)	36.0" x 28.0" x 35.5" (914 mm x 711 mm x 902 mm)	37.5" x 32.7" x 42.0" (952 mm x 831 mm x 1067 mm)