Page 884 - Tungaloy Catalog

Coated solid carbide drills for steels (INCH)
DMXU VM External Ti (C,N,O) IT9~10 Steel Stainless Cast Iron Superalloys Materials
Coated
IT class
Coolant
Hard
30° 3X 130° For High Efficiency Drilling of Steels
Helix L/D Point angle Coated solid carbide drills
External coolant supply Drill Dia.
øDc øDc≤3.0 3.0<øDc≤6.0 6.0<øDc≤10.0 10.0<øDc≤18.0 18.0<øDc≤20.0
0
0
0
0
0
Tolerances −0.014 −0.018 −0.022 −0.027 −0.033
øDc h8 130° øDs h8
R R S
L

øDc = øDs
Drill dia. Stock Dimensions (in) Drill Dimensions (in)
dia.
øDc Cat. No. øDs R R s L øDc Cat. No. Stock øDs R R s L
#8 DMXU1990VM d .199 1.34 1.50 2.83 #O DMXU3160VM d .316 2.09 1.69 3.78
#7 DMXU2010VM d .201 1.34 1.50 2.83 #P DMXU3230VM d .323 2.09 1.69 3.78
13/64 DMXU2031VM d .203 1.34 1.50 2.83 21/64 DMXU3281VM d .328 2.09 1.69 3.78
#6 DMXU2040VM d .204 1.34 1.50 2.83 #Q DMXU3320VM d .332 2.09 1.69 3.78
#5 DMXU2055VM d .206 1.34 1.50 2.83 #R DMXU3390VM d .339 2.17 1.69 3.86
#4 DMXU2090VM d .209 1.34 1.50 2.83 11/32 DMXU3438VM d .344 2.17 1.69 3.86
#3 DMXU2130VM d .213 1.34 1.50 2.83 #S DMXU3480VM d .348 2.17 1.69 3.86
7/32 DMXU2188VM d .219 1.42 1.50 2.91 #T DMXU3580VM d .358 2.28 1.73 4.02
#2 DMXU2210VM d .221 1.34 1.50 2.91 23/64 DMXU3594VM d .359 2.28 1.73 4.02
#1 DMXU2280VM d .228 1.34 1.50 2.91 #U DMXU3680VM d .368 2.28 1.73 4.02
#A 15/64 DMXU2344VM d .234 1.61 1.56 3.19 3/8 DMXU3750VM d .375 2.36 1.77 4.13
#B DMXU2380VM d .238 1.34 1.58 3.19 #V DMXU3770VM d .377 2.36 1.77 4.13
#C DMXU2420VM d .242 1.34 1.58 3.19 #W DMXU3860VM d .386 2.36 1.77 4.13
#D DMXU2460VM d .246 1.34 1.58 3.19 25/64 DMXU3906VM d .390 2.36 1.77 4.13
#E, 1/4 DMXU2500VM d .250 1.34 1.58 3.19 #X DMXU3970VM d .397 2.60 1.81 4.41
#F DMXU2570VM d .257 1.69 1.57 3.27 #Y DMXU4040VM d .404 2.60 1.81 4.41
#G DMXU2610VM d .261 1.69 1.57 3.27 13/32 DMXU4062VM d .406 2.60 1.81 4.41
17/64 DMXU2656VM d .266 1.69 1.57 3.27 #Z DMXU4130VM d .413 2.60 1.81 4.41
#H DMXU2660VM d .266 1.69 1.57 3.27 27/64 DMXU4219VM d .422 2.67 1.81 4.49
#I DMXU2720VM d .272 1.69 1.57 3.27 7/16 DMXU4375VM d .438 2.80 1.85 4.65
#J DMXU2770VM d .277 1.77 1.65 3.43 29/64 DMXU4531VM d .453 2.87 1.89 4.76
#K DMXU2810VM d .281 1.77 1.65 3.43 15/32 DMXU4688VM d .469 2.87 1.89 4.76
11 9/32 DMXU2812VM d .281 1.77 1.65 3.43 31/64 DMXU4844VM d .484 2.99 2.32 5.32
DMXU5000VM
3.07
5.39
1/2
.500
2.32
d
3.43
.290
DMXU2900VM
1.77
1.65
#L
d
#M DMXU2950VM d .295 1.77 1.65 3.43 TUBE DMXU5050VM d .505 3.07 2.32 5.39
19/64 DMXU2969VM d .297 1.89 1.65 3.54 33/64 DMXU5156VM d .516 3.31 2.36 5.67
DMXU5312VM
3.31
2.36
.531
5.67
17/32
d
3.54
DMXU3020VM
.302
1.77
Drilling Tools 5/16 DMXU3125VM d .313 1.77 1.65 3.54 35/64 DMXU5469VM d .547 3.39 2.40 5.79
1.65
#N
d
DMXU5625VM
5.94
9/16
2.44
.562
3.50
d
DMXU5781VM
.578
6.03
3.58
37/64
2.44
d
DMXU5937VM
6.18
3.70
2.48
19/32
.594
d
39/64
DMXU6250VM
3.78
5/8 DMXU6094VM d .609 3.70 2.48 6.18
2.52
.625
6.30
d
TUBE DMXU6330VM d .633 4.02 2.40 6.57
41/64 DMXU6406VM d .641 4.02 2.40 6.57
21/32 DMXU6562VM d .656 4.02 2.40 6.57
11/16 DMXU6875VM d .688 4.02 2.40 6.57
45/64 DMXU7031VM d .703 4.02 2.40 6.57
23/32 DMXU7187VM d .719 4.49 2.40 7.05
47/64 DMXU7344VM d .734 4.49 2.40 7.05
3/4 DMXU7500VM d .750 4.49 2.40 7.05
TUBE DMXU7590VM d .759 4.49 2.40 7.05
49/64 DMXU7656VM d .766 4.49 2.40 7.05
25/32 DMXU7812VM d .781 4.49 2.40 7.05
Note on cutting fluid
• Cutting fluid should be sufficiently supplied to the drill point and the entrance of the hole.
• Use a water soluble cutting fluid containing relatively high content of extreme pressure additive for heavy duty cutting or use a water-insoluble cutting fluid.
d : Stocked items
11–68 Relating Cutting Conditions Procedures Technical reference
Regrinding
pages (11-70) (11-76) (14-1)