ALL CATEGORIES

SHOP BY INDUSTRY

EXCLUSIVE BRANDS

NEW PRODUCTS

EXPLORE SOLUTIONS

CATALOG

DEALS

About Us

Careers

News & Press

Investor Relations

Distribution Centers

Help Center

My Account

My Orders

Track My Order

Shipping & Returns

Apply For Credit

International Sales

Sales Tax Info

W-9 Form

Catalog

Product Recall / Safety Info

Floor Care Machine Self-Service

Customer Support

Extended Service Plan

Limited Warranty Information

Affiliate Program

Government Sales

Resellers

Become A Supplier

Safety Services

Subject Matter Experts

Territory Sales Manager

Accessibility Options

eProcurement

Services

Inventory Clearance

Free Shipping

New Products

Knowledge Center

Industrial How-Tos

Equipment Financing

More Ways To Shop

Heavy-duty construction for drilling in tough, high-tensile and work-hardening materials under extreme operating conditions. Manufactured from premium cobalt high-speed steel, increasing hot hardness and extending drill wear life. 135&#176; P3 split point is self-centering for reduced thrust and easier penetration. Sizes smaller than .0625" do not have split point. Metric sizes are manufactured to DIN 338 OAL and flute length specifications. TiN (Titanium nitride) coating adds lubricity and hardness, enhancing chip flow, finish hole quality and drill life. For drilling in stainless steel, tool steel and alloy steel. Made In USA. Pack Of 12. 30 Day Warranty.

Chicago-Latrobe 550-TN #4 Cobalt Heavy-Duty TiN 135 Split Point Jobber Length Drill - Pkg Qty 12

550-tn-4-cobalt-heavy-duty-tin-135-split-point-jobber-length-drill

Customer Also Viewed

Save 15% Off

on all Auto-Reorders

<a href="/knowledge-center">Knowledge Center</a>

<a href="/contactUs">Customer Support</a>

<a href="/account/browse-history">Browse History</a>