CLEVELAND Jobber Length Drill Bit: Letter K, 135° Split Point, HSS
SKU 3G-OTH-190119
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Frequently Asked Questions
What is the CLEVELAND C11639 jobber length drill bit used for?
The CLEVELAND C11639 is a high-speed steel jobber length drill bit with a 135° split point, designed for aerospace applications per NAS 907 Type B. It drills precise holes in hard metals and alloys, commonly used in aircraft manufacturing and maintenance where tight tolerances are critical.
What are the specifications of the CLEVELAND C11639 drill bit?
The CLEVELAND C11639 is a letter K jobber length drill bit with a 0.2810 inch diameter, 135° split point, and high-speed steel construction. It meets NAS 907 Type B specifications for aerospace drilling. The manufacturer part number is C11639.
Where to buy CLEVELAND C11639 drill bits worldwide?
3G Electric supplies the CLEVELAND C11639 drill bit to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine CLEVELAND tooling and support procurement for aerospace and manufacturing operations.
How to select the correct jobber length drill bit for aerospace work?
For aerospace drilling, select a bit that meets NAS 907 Type B specifications, like the CLEVELAND C11639. Ensure the diameter matches your hole size (0.2810 inch for letter K), use a 135° split point to reduce walking, and choose high-speed steel for durability in hard alloys. Always verify the manufacturer part number.
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3G Electric supplies CLEVELAND 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.















