Matco Tools ZBDR234 15/64 Solid Carbide Drill Bit User Guide

June 11, 2024
MATCO TOOLS

Bust-N-Out TM Broken
Bolt Removal System
User Guide

System specifically designed for successful removal of sub-surface broken bolts am studs. Each tool is made for specific bolt hole sizes to properly prepare the broken sur face, greatly increasing the operators ability to drill the broken bolt on center saving the existing threaded hole and the component. Bust-N-Out carbide burrs are designed for use in high speed die grinders. Right angle di( grinders provide the operator with proper speeds and best control. Carefully keep too orientation straight to the surface of the broken bolt to achieve best results.
USER GUIDE
OP 1 — Set ZBECS — provides 5 specialty end cutting carbide burrs to properly prepare (flatten) the rough surface of the broken bolt. Use in a high speed right angle die grinder, careful to keep burr orientation straight to the surface being ground.. The broken surface will now be properly prepared for OP2 to locate the broken bolts centerline.

MATCO # Bolt Size
ZBEC250 1/4-20, 24, 28, M6
ZBEC312  5/16-18, 24, 32, M8
ZBEC375 3/8-16, 24, M10
ZBEC437 7/16-14, 20, M12
ZBEC 500 1/2-13, 20, M14

Matco Tools ZBDR234 15 64 Solid Carbide Drill Bit -

OP 2 – Set ZBCDS — provides 5 specialty angle grt4und burs for use after OP 1, will prop-erly locate broken bolts center point providing greater ability for the drilling operation to drill in center.

MATCO# Bolt Size
ZBCD250 1/4-20, 24, 28, M6
ZBCD312 5/16-18, 24,3 2, M8
ZBCD375 3/846, 24, M10
ZBCD437 7/16-14, 20, M12
ZBCD500 1/2-13, 20, M14

Matco Tools ZBDR234 15 64 Solid Carbide Drill Bit - FIG
1
3 – Set ZIMR4 —provides 4 solid carbide drills for drilling operation, for acceptance andard straight flute extractors (not provided). Solid carbide drills will drill in hardened ;dais. Use with drilling speeds, very carefully drill with no side pressure to the drill.

MATCO # Dia. for Extractor Size (Not Included)
ZBDR12S 1/8 SE1 #1
ZBDR187 3/16 SE2 #2
ZBDR234 15/64 SE3 #3
ZBDR312 5/16 SE4 #4

Matco Tools ZBDR234 15 64 Solid Carbide Drill Bit - FIG
2
Ways wear proper safety glasses and equipment when operating any cutting tool

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