TWIST DRILLS (B). WIRE GAUGE LETTER SERIES - Garvin Tools

TWIST DRILLS (B). WIRE GAUGE LETTER SERIES

<p><span style="color: rgb(55, 65, 81); font-family: S&ouml;hne, ui-sans-serif, system-ui, -apple-system, &quot;Segoe UI&quot;, Roboto, Ubuntu, Cantarell, &quot;Noto Sans&quot;, sans-serif, &quot;Helvetica Neue&quot;, Arial, &quot;Apple Color Emoji&quot;, &quot;Segoe UI Emoji&quot;, &quot;Segoe UI Symbol&quot;, &quot;Noto Color Emoji&quot;; font-size: 16px; white-space-collapse: preserve;">Center drills, often referred to as &quot;centering drills&quot; or simply &quot;center drills,&quot; are a type of cutting tool used in machining and metalworking. These drills are designed to create a conical hole in a workpiece, providing a starting point for a standard twist drill. The conical shape helps to guide the twist drill accurately into the workpiece, ensuring that the hole is centered.</span></p>

The primary purpose of center drills is to create a starting point for the subsequent drilling operation. They help prevent the twist drill from wandering and ensure that the hole is accurately centered.

Flute Length Overall Length Cat No.	Flute Length	Overall Length	Cat No.
A	2.1/4	3.21/32	GDR-5244
B	2.1/2	3.31/32	GDR-5245
C	2.1/2	3.31/32	GDR-5246
D	2.1/2	3.31/32	GDR-5247
E	2.1/2	3.31/32	GDR-5248
F	2.1/2	3.31/32	GDR-5249
G	2.1/2	3.31/32	GDR-5250
H	2.23/32	4.9/32	GDR-5251
I	2.23/32	4.9/32	GDR-5252

CUTTING TOOLS

HSS CENTER DRILLS

TWIST DRILLS (B). WIRE GAUGE LETTER SERIES

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