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D-1/4

Made in the USA

National Aerospace Standard 907, Type J Cobalt Jobbers Length Bits

Made to NAS 907 Type J specifications, these cobalt jobbers length drills are used for drilling in tough, high tensile
strength materials like stainless steels, titanium and inconel.  They are made of 8% cobalt high speed steel, with heavy
duty flute construction and 135° split point.

Fractional Sizes

Size

Hole Diameter

Overall Length

P/N

Price Each

 
1/16" 0.0625" 1-7/8" D-1/16 $0.80
5/64" 0.0781" 2" D-5/64 $0.79
3/32" 0.0938" 2-1/4" D-3/32 $0.79
7/64" 0.1094" 2-5/8" D-7/64 $0.87
1/8" 0.1250" 2-3/4" D-1/8 $1.04
9/64" 0.1406" 2-7/8" D-9/64 $1.07
5/32" 0.1562" 3-1/8" D-5/32 $1.17
11/64" 0.1719" 3-1/4" D-11/64 $1.26
3/16" 0.1875" 3-1/2" D-3/16 $1.42
13/64" 0.2031" 3-5/8" D-13/64 $1.68
7/32" 0.2188" 3-3/4" D-7/32 $1.80
15/64" 0.2344" 3-7/8" D-15/64 $1.94
1/4" 0.2500" 4" D-1/4 $2.02
17/64" 0.2656" 4-1/8" D-17/64 $2.40
9/32" 0.2812" 4-1/4" D-9/32 $2.52
19/64" 0.2969" 4-3/8" D-19/64 $3.01
5/16" 0.3125" 4-1/2" D-5/16 $3.22
21/64" 0.3281" 4-5/8" D-21/64 $3.52
11/32" 0.3438" 4-3/4" D-11/32 $3.85
23/64" 0.3594" 4-7/8" D-23/64 $4.57
3/8" 0.3750" 5" D-3/8 $4.62
25/64" 0.3906" 5-1/8" D-25/64 $5.30
13/32" 0.4062" 5-1/4" D-13/32 $5.53
27/64" 0.4219" 5-3/8" D-27/64 $6.09
7/16" 0.4375" 5-1/2" D-7/16 $6.22
29/64" 0.4531" 5-5/8" D-29/64 $7.45
15/32" 0.4688" 5-3/4" D-15/32 $7.59
31/64" 0.4844" 5-7/8" D-31/64 $8.26
1/2" 0.5000" 6" D-1/2 $7.83

Wire Sizes

Size

Hole Diameter

Overall Length

P/N

Price Each

 
#60 0.0400" 1-5/8" D-60 $0.98
#59 0.0410" 1-5/8" D-59 $1.11
#58 0.0420" 1-5/8" D-58 $1.08
#57 0.0430" 1-3/4" D-57 $0.98
#56 0.0465" 1-3/4" D-56 $0.98
#55 0.0520" 1-7/8" D-55 $0.87
#54 0.0550" 1-7/8" D-54 $0.87
#53 0.0595" 1-7/8" D-53 $0.87
#52 0.0635" 1-7/8" D-52 $0.80
#51 0.0670" 2" D-51 $0.80
#50 0.0700" 2" D-50 $0.80
#49 0.0730" 2" D-49 $0.80
#48 0.0760" 2" D-48 $0.80
#47 0.0785" 2" D-47 $0.80
#46 0.0810" 2-1/8" D-46 $0.80
#45 0.0820" 2-1/8" D-45 $0.80
#44 0.0860" 2-1/8" D-44 $0.80
#43 0.0890" 2-1/4" D-43 $0.80
#42 0.0935" 2-1/4" D-42 $0.80
#41 0.0960" 2-3/8" D-41 $0.82
#40 0.0980" 2-3/8" D-40 $0.85
#39 0.0995" 2-3/8" D-39 $0.85
#38 0.1015" 2-1/2" D-38 $0.82
#37 0.1040" 2-1/2" D-37 $0.93
#36 0.1065" 2-1/2" D-36 $0.87
#35 0.1100" 2-5/8" D-35 $0.93
#34 0.1110" 2-5/8" D-34 $0.93
#33 0.1130" 2-5/8" D-33 $0.93
#32 0.1160" 2-3/4" D-32 $0.94
#31 0.1200" 2-3/4" D-31 $0.95
#30 0.1285" 2-3/4" D-30 $0.95
#29 0.1360" 2-7/8" D-29 $1.04
#28 0.1405" 2-7/8" D-28 $1.07
#27 0.1440" 3" D-27 $1.12
#26 0.1470" 3" D-26 $1.12
#25 0.1495" 3" D-25 $1.14
#24 0.1520" 3-1/8" D-24 $1.26
#23 0.1540" 3-1/8" D-23 $1.25
#22 0.1570" 3-1/8" D-22 $1.25
#21 0.1590" 3-1/4" D-21 $1.15
#20 0.1610" 3-1/4" D-20 $1.15
#19 0.1660" 3-1/4" D-19 $1.25
#18 0.1695" 3-1/4" D-18 $1.28
#17 0.1730" 3-3/8" D-17 $1.40
#16 0.1770" 3-3/8" D-16 $1.45
#15 0.1800" 3-3/8" D-15 $1.50
#14 0.1820" 3-3/8" D-14 $1.50
#13 0.1850" 3-1/2" D-13 $1.50
#12 0.1890" 3-1/2" D-12 $1.60
#11 0.1910" 3-1/2" D-11 $1.60
#10 0.1935" 3-5/8" D-10 $1.60
#9 0.1960" 3-5/8" D-9 $1.60
#8 0.1990" 3-5/8" D-8 $1.60
#7 0.2010" 3-5/8" D-7 $1.60
#6 0.2040" 3-3/4" D-6 $2.06
#5 0.2055" 3-3/4" D-5 $2.06
#4 0.2090" 3-3/4" D-4 $2.06
#3 0.2130" 3-3/4" D-3 $2.06
#2 0.2210" 3-7/8" D-2 $2.20
#1 0.2280" 3-7/8" D-1 $2.20

 

 

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