Wire Gauge (Number) Drill Bits #20-#39

Wire Gauge (Number) Drill Bits, #20 through #39

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Overview

- PreciseBits Carbide Micro Drills - Wire Gauge (Number) Sizes 20-39

High-quality carbide micro drill featuring a shallow point angle that minimizes backside breakout and splintering while the geometry and back tapered flutes virtually eliminate top surface splintering. The tip geometry produces shallow glue pockets for anchoring inlaid components.

A great choice for such applications such as drilling hardwoods, non-ferrous metals, inlay pockets for mother-of-pearl dots and drill printed circuit board substrates.

Specifications

Geometry - 2 flute, 1/8" shank, drill point
Length - 1.5" ±0.010"
Diameter - nominal +0.000, -0.0005"
Shank Diameter - 0.1248"
Total Included Angle:
- dia ≤ 0.100" (2.54mm) - 135°
- dia > 0.101" (2.57mm) - 160°
Max Runout (TIR) - ±0.0002"
Drill Depth - Varies by diameter
Anticipated Life - 3,000 holes min in FR4 epoxy glass
Material - solid submicrograin carbide / stainless steel shank
Ring Set - 0.800" ±0.002"
Operating RPM - CNC certified operation 20k RPM to 100k RPM

Bit sizes

Item	Description	Unit Price
1) PB-DC208-1612-050D	#20 (0.1612", 4.094mm), 0.500" max DOC	$7.15
2) PB-DC208-1590-050D	#21 (0.1590", 4.038mm), 0.500" max DOC *4.05MM METRIC EQUIVALENT	$7.15
3) PB-DC208-1570-050D	#22 (0.1570" 3.987mm), 0.500" max DOC	$6.39
4) PB-DC208-1540-050D	#23 #23 (0.1540", 3.911mm), 0.500" max DOC	$6.39
5) PB-DC208-1520-050D	#24 (0.1520", 3.860mm), 0.500" max DOC	$6.38
6) PB-DC208-1495-050D	#25 (0.1495", 3.797mm), 0.500" max DOC * SHIPS AS 3.80mm METRIC EQUIVALENT	$7.19
7) PB-DC208-1470-050D	#26 (0.1470", 3.733mm), 0.500" max DOC	$7.19
8) PB-DC208-1440-050D	#27 (0.1440", 3.657mm), 0.500" max DOC	$6.38
9) PB-DC208-1405-050D	#28 (0.1405", 3.568mm), 0.500" max DOC *9/64" FRACTIONAL EQUIVALENT	$5.25
10) PB-DC208-1360-050D	#29 (0.1360", 3.454mm), 0.500" max DOC	$5.25
11) PB-DC208-1285-050D	#30 (0.1285", 3.263mm), 0.500" max DOC	$5.25
12) PB-DC208-1200-040D	#31 (0.1200", 3.048mm), 0.400" max DOC *3.05mm METRIC EQUIVALENT	$2.76
13) PB-DC208-1160-040D	#32 (0.1160", 2.946mm), 0.400" max DOC	$2.76
14) PB-DC208-1130-040D	#33 (0.1130", 2.870mm), 0.400" max DOC	$2.76
15) PB-DC208-1110-040D	#34 (0.1110", 2.819mm), 0.400" max DOC	$2.76
16) PB-DC208-1100-040D	#35 (0.1100", 2.794mm), 0.400" max DOC *2.80mm METRIC EQUIVALENT	$2.76
17) PB-DC208-1065-040D	#36 (0.1065", 2.705mm), 0.400" max DOC *2.70mm METRIC EQUIVALENT	$2.76
18) PB-DC208-1040-040D	#37 (0.1040", 2.641mm), 0.400" max DOC	$2.76
19) PB-DC208-1015-040D	#38 (0.1015", 2.578mm), 0.400" max DOC	$2.76
20) PB-DC208-0995-040D	#39 (0.0995", 2.528mm), 0.400" max DOC	$2.48