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Letter W – Stub Drill Cobalt
Item #: DR12723
Filters
Length of Cut
Diameter
Carbon Type
Bi-Metal Type
Width
Thickness
Tooth Pitch
Cutting Direction
Grade
NO.
Height
Length
Cut Style
Shank Diameter
Fractional
1/4(3)
11/64(11)
15/64(4)
17/64(1)
19/64(1)
25/64(4)
5/16(1)
7/32(2)
9/32(1)
Letter / Wire Gauge
18(11)
19(11)
20(11)
21(11)
A(2)
B(1)
C(1)
D(1)
E(1)
F(3)
G(1)
H(1)
I(1)
J(1)
K(1)
L(1)
M(1)
N(1)
V(4)
W(4)
Metric
Decimal Equivalent
0.1590(11)
0.1610(11)
0.1660(11)
0.1695(11)
0.1719(11)
0.2188(2)
0.2340(2)
0.2344(3)
0.2380(1)
0.2420(1)
0.2460(1)
0.2500(3)
0.2570(3)
0.2610(1)
0.2656(1)
0.2660(1)
0.2720(1)
0.2770(1)
0.2810(1)
0.2812(1)
0.2900(1)
0.2950(1)
0.2969(1)
0.3020(1)
0.3125(1)
0.3770(4)
0.3860(4)
0.3906(4)
02344(1)
Shank
Angle
118°(43)
135°(32)
60°(1)
140°(1)
150°(2)
Style
Substrate
Carbide Tipped(3)
Carbide(28)
Cobalt(8)
HSS(58)
Thread Standard
Thread Diameter Size (TDZ)
Threads per Inch (TPI)
Thread Pitch Metric (TP)
Outer Diameter
Direction
Surface Treatment
Black & Gold(7)
Bright(65)
Bronze(8)
Steam Oxide(12)
TiN Coated(5)
Flute Type
Fast Helix(5)
Left Hand(5)
Regular Spiral(53)
Slow Helix(8)
Straight(19)
Parabolic(2)
Shank Type
Straight(13)
Letter, Number
Case Type
Chamfer
Gage
Handle No.
Width 1
Width 2
Shank Style
Center Cutting
Flute Count
# of PCS.
Overall Length
English 
French