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CHICAGO-LATROBE chicago latrobe nas spec high speed steel jobber length drill bit split point black oxide nas type b - NAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace
CHICAGO-LATROBENAS-Spec High-Speed Steel Jobber-Length Drill Bits for Aerospace

Chicago-latrobe Chicago Latrobe Nas Spec High Speed Steel Jobber Length Drill Bit Split Point Black Oxide Nas Type B

71 sizes & variants — select below · Model: 70 options

The CHICAGO-LATROBE Jobber Length Drill Bit #56 is a NAS-Spec High-Speed Steel drill bit for aerospace applications, featuring a 135° split point and black oxide HSS construction per NAS 907 Type B. With a diameter…

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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Common specifications

CHICAGO-LATROBE
Shared across the range — Model vary by variant (see table below).
Manufacturer Part Number
44726
Type
Black Oxide HSS, NAS 907 Type B
Split Point
135°

Technical Documents

No technical documents available for this product.
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Select a size

Showing 71 / 71 variants — scroll the table for more

Part No (MPN)456053G SKU3G-OTH-189832Model5/64"
Part No (MPN)456063G SKU3G-OTH-189836Model3/32"
Part No (MPN)456113G SKU3G-OTH-189846Model11/64"
Part No (MPN)456193G SKU3G-OTH-189862Model19/64"
Part No (MPN)456213G SKU3G-OTH-189865Model21/64"
Part No (MPN)456253G SKU3G-OTH-189873Model25/64"
Part No (MPN)456283G SKU3G-OTH-189877Model7/16"
Part No (MPN)456293G SKU3G-OTH-189879Model29/64"
Part No (MPN)456313G SKU3G-OTH-189880Model31/64"
Part No (MPN)447503G SKU3G-OTH-189910Model#80, 0.0135 in
Part No (MPN)447463G SKU3G-OTH-189911Model#76, 0.0200 in
Part No (MPN)447433G SKU3G-OTH-189913Model#73, 0.0240 in
Part No (MPN)447273G SKU3G-OTH-189920Model#57, 0.0430 in
Part No (MPN)447233G SKU3G-OTH-189922Model#53, 0.0595 in
Part No (MPN)457113G SKU3G-OTH-189937Model#41, 0.0960 in
Part No (MPN)457103G SKU3G-OTH-189939Model#40, 0.0980 in
Part No (MPN)457083G SKU3G-OTH-189942Model#38 , 0.1015 in
Part No (MPN)457053G SKU3G-OTH-189944Model#35, 0.1100 in
Part No (MPN)457013G SKU3G-OTH-189949Model#31, 0.1200 in
Part No (MPN)456993G SKU3G-OTH-189951Model#29, 0.1360 in
Part No (MPN)456983G SKU3G-OTH-189953Model#28, 0.1405 in
Part No (MPN)456953G SKU3G-OTH-189957Model#25
Part No (MPN)456933G SKU3G-OTH-189960Model#23
Part No (MPN)456853G SKU3G-OTH-189973Model#15
Part No (MPN)456813G SKU3G-OTH-189977Model#11, 0.1910 in
Part No (MPN)456733G SKU3G-OTH-189988Model#3 , 0.2130 in
Part No (MPN)456723G SKU3G-OTH-189989Model#2, 0.2210 in
Part No (MPN)458193G SKU3G-OTH-189992Model2.7 mm
Part No (MPN)458223G SKU3G-OTH-189993Model3 mm
Part No (MPN)458333G SKU3G-OTH-189995Model4 mm
Part No (MPN)458353G SKU3G-OTH-189996Model4.2 mm
Part No (MPN)458363G SKU3G-OTH-189997Model4.3 mm
Part No (MPN)458493G SKU3G-OTH-190000Model5.4 mm
Part No (MPN)458503G SKU3G-OTH-190001Model5.5 mm
Part No (MPN)458623G SKU3G-OTH-190003Model6.7 mm
Part No (MPN)458633G SKU3G-OTH-190004Model6.8 mm
Part No (MPN)456883G SKU3G-OTH-190032Model#18
Part No (MPN)458463G SKU3G-OTH-190080Model5.2 mm
Part No (MPN)458173G SKU3G-OTH-190084Model2.5 mm
Part No (MPN)458973G SKU3G-OTH-190085Model10.5 mm
Part No (MPN)456823G SKU3G-OTH-190181Model#12
Part No (MPN)458413G SKU3G-OTH-190190Model#12
Part No (MPN)458283G SKU3G-OTH-190191Model3.5 mm
Part No (MPN)457163G SKU3G-OTH-190212Model#46, 0.0810 in
Part No (MPN)457063G SKU3G-OTH-190239Model#36, 0.1065 in
Part No (MPN)447263G SKU3G-OTH-190252Model#56, 0.0465 in
Part No (MPN)456833G SKU3G-OTH-190270Model#13, 0.1850 in
Part No (MPN)457123G SKU3G-OTH-190283Model#42, 0.0935 in
Part No (MPN)457033G SKU3G-OTH-190301Model#33, 0.1130 in
Part No (MPN)447413G SKU3G-OTH-190329Model#71, 0.0260 in
Part No (MPN)457223G SKU3G-OTH-190344Model#52, 0.0635 in
Part No (MPN)447313G SKU3G-OTH-190362Model#61, 0.0390 in
Part No (MPN)458003G SKU3G-OTH-190370Model1 mm, , , , 45800
Part No (MPN)447393G SKU3G-OTH-190372Model#69, 0.0292 in
Part No (MPN)447353G SKU3G-OTH-190379Model#65 , 0.0350 in
Part No (MPN)458453G SKU3G-OTH-190380Model5.1 mm
Part No (MPN)457043G SKU3G-OTH-190388Model#34, 0.1110 in
Part No (MPN)459043G SKU3G-OTH-190432Model12.5 mm
Part No (MPN)458963G SKU3G-OTH-190443Model10.2 mm
Part No (MPN)458073G SKU3G-OTH-190448Model1.7 mm
Part No (MPN)458043G SKU3G-OTH-190449Model1.4 mm
Part No (MPN)447383G SKU3G-OTH-190451Model#68 , 0.0310 in
Part No (MPN)458053G SKU3G-OTH-190457Model1.5 mm
Part No (MPN)458213G SKU3G-OTH-190462Model2.9 mm
Part No (MPN)458593G SKU3G-OTH-190466Model6.4 mm
Part No (MPN)458133G SKU3G-OTH-190499Model2.2 mm
Part No (MPN)458753G SKU3G-OTH-190518Model8 mm
Part No (MPN)456713G SKU3G-OTH-190555Model#1, 0.2280 in
Part No (MPN)458343G SKU3G-OTH-190565Model4.1 mm
Part No (MPN)457143G SKU3G-OTH-190579Model#44 , 0.0860 in
Part No (MPN)447373G SKU3G-OTH-190588Model#67 , 0.0320 in
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CHICAGO-LATROBE Products

3G Electric supplies CHICAGO-LATROBE nas-spec high-speed steel jobber-length drill bits for aerospace. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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This jobber-length drill bit is made from TiCN-coated high-speed steel and features a 135° split point per NAS 907 Type B. It is designed for precision drilling in aerospace applications, reducing walking and thrust while extending tool life in high-strength alloys
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This jobber-length drill bit is made from TiCN-coated high-speed steel and features a 135° split point per NAS 907 Type B. It is designed for precision drilling in aerospace applications, reducing walking and thrust while extending tool life in high-strength alloys
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This jobber-length drill bit is made of TiAlN-coated high-speed steel and features a 135° split point per NAS 907 Type B. It is designed for precision drilling in aerospace and other demanding industrial applications where NAS specifications are required. The #11 size has a 0.1910 inch diameter
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This jobber-length drill bit is made from TiAlN-coated high-speed steel and conforms to NAS 907 Type B for aerospace applications. The 135° split point reduces walking and thrust, enabling precise hole drilling in high-strength alloys. With a #48 diameter of 0.0760 inches, it is suited for production environments requiring extended tool life
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications for aerospace applications. The split point reduces walking and thrust, enabling precise drilling in hard metals such as stainless steel and titanium alloys
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This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It meets NAS 907 Type B specifications for aerospace applications. The split point reduces walking and thrust, enabling precise drilling in hard metals such as stainless steel and titanium alloys
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Black oxide high-speed steel jobber-length drill bit with 135° split point. Conforms to NAS 907 Type B standards. Used for precision hole drilling in aerospace and other high-strength materials where reduced walking and drilling force are required
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It conforms to NAS 907 Type B specifications for aerospace drilling applications. The split point reduces walking and drilling force, while the black oxide finish enhances heat resistance and chip evacuation in ferrous metals
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This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It conforms to NAS 907 Type B specifications for aerospace drilling applications. The split point reduces walking and drilling force, while the black oxide finish enhances heat resistance and chip evacuation in ferrous metals
This jobber-length drill bit is made from high-speed steel with a black oxide finish and a 135° split point. It conforms to NAS 907 Type B specifications. Typical applications include drilling in aerospace-grade materials such as high-strength alloys and sheet metal where precision and adherence to standards are required
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This jobber-length drill bit is made from high-speed steel with a TiAlN coating and features a 135° split point. It is manufactured to NAS specifications for aerospace applications. The bit is sized Letter L (0.2900 inch diameter) and is suitable for drilling in materials such as titanium and stainless steel