29PC 135 Degree Heavy-Duty Cobalt Jobber Length Drill Set Chicago-Latrobe 550-TN TiN HSS-CO 1/16-1/2x1/64 MPN:69870

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Brand: Chicago-Latrobe
Part #: 69870
UPC: 662355698709
SKU
510-G3629473
Regular Price $841.39 Special Price $600.99

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29PC 135 Degree Heavy-Duty Cobalt Jobber Length Drill Set Chicago-Latrobe 550-TN TiN HSS-CO 1/16-1/2x1/64

The Chicago-Latrobe 550-TN TiN HSS-CO 29PC 135 Degree Heavy-Duty Cobalt Jobber Length Drill Set is a top-of-the-line drilling solution for heavy-duty applications. This 29-piece set features jobber length drill bits with a 135-degree point angle, designed for efficient drilling and reduced walking. Made from high-quality machining cobalt and finished with a titanium nitride (TiN) coating for enhanced durability and wear resistance, this set is ideal for drilling through tough materials such as steel, aluminum, and cast iron. Suitable for use in various industries including automotive, aerospace, and construction, this drill set is a reliable choice for professionals and serious hobbyists alike.

Top product features:

  • 135 Degree Drill Bit Point Angle
  • Machining Cobalt Material for Increased Strength and Durability
  • Titanium Nitride (TiN) Finish for Reduced Friction and Improved Tool Life

Top product applications:

  • General Machining
  • Heavy-duty drilling in structural steel, cast iron, and other hard metals
  • Drilling in wood, plastic, and other soft materials
  • The CHICAGO-LATROBE 69870 is a jobber-length drill bit set consisting of 29 cobalt bits with sizes ranging from 1/16 inch to 1/2 inch in fractional increments. Intended for machining applications

  • see specifications for applicable material groups and ISO groups. These drill bits feature P3 split points with a 135-degree angle and a right-hand spiral direction. Includes a metal index case. Rated as NAS 907 Type J, Type J straight shank drill bits. Rated as NAS 907 Type J. Compatible with ISO material groups H, K, M, N, P, S (as specified). Overall length: 1 7/8 in to 6 in (by bit size). The set accommodates multiple materials including aluminum, cast iron, hardened steel, stainless steel, steel, and titanium. It includes a metal index case for bit storage and organization. The drill bits have a straight shank diameter of 1/6 inch.

    Key Features:

    • - Material: cobalt (grade as specified).
    • - Drill bit sizes include incrementals from 1/16" up to 1/2".
    • - Number of flutes: 2, spiral design with right-hand direction.
    • - Overall length: 1 7/8 in to 6 in (by bit size).
    • - Shank type: Straight, shank diameter 1/6 inch.
    • - Drill length class: Jobber length.
    • - Finish: Titanium Nitride (TiN) coating.
    • - Includes a metal index case.
    • - Rated as NAS 907 Type J.
    • - Compatible with ISO material groups H, K, M, N, P, S.



Additional Information

  • Country of Origin: US
  • Drop Ship Item: No
  • Blind Ship Eligible: No
  • LTL Freight Required: No
  • Lead Time: Ships in 1 days
  • Minimum Order Quantity: 1
  • Unit of Measure: EA
  • Package Length: 7.20
  • Package Width: 4.30
  • Package Height: 1.80
  • Package Weight: 3.37
Product info last updated on March 19, 2026 6:27am UTC Category: Cutting Tools
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