Half Inch Boring Bar Set For Precise Internal Lathe Machining Shop Ready Pro Grade Kit With Four Half Inch Shanks, Four TCMT21.51 Carbide Inserts Installed, Four M2.5 By 6 Screws, T8 Wrench, And Tool Holders In Four Lengths 4, 3.6, 3, And 2.7 Inches

Premium 1/2-in Boring Bar Set for Precise Lathe Work
✔️ 4x 1/2 in shanks; 4 TCMT21.51 inserts; 4 M2.5x6 screws; T8 wrench

This precision boring bar set is designed for internal and external turning on metal lathes, with four different lengths to fit various depths of cut and tight spaces.

✅ 4x 1/2 in shanks with four TCMT21.51 carbide inserts installed
✅ Four tool holders in lengths 4, 3.6, 3, and 2.7 inches; shank diameter 1/2 in
✅ 40CrMo tool holders with black oxide finish for durability and corrosion resistance
✅ TCMT21.51 inserts: 3/32 in thick, 1/64 in radius, 7° relief; suitable for aluminum, steel, stainless
✅ Includes M2.5x6 screws and T8 wrench; built-in chip breakers and positive rake cutting angles

💡 What is a boring bar set used for in precision lathe machining?

This handy set is designed for accurate boring and hole finishing in metalworking. - precise hole boring and diameter finishing on steel, aluminum, and stainless steel - handy for internal and external turning with carbide inserts - durable 40CrMo tool holders with tin coating and built-in chip breakers ✝️