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Safety Wire Drill Jig for Metric Bolts

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This tool makes drilling bolt heads easy and nearly foolproof. You will rarely break a drill bit using this fixture.

This jig drills the hole through the center of the bolt head on 5mm through 14mm metric bolts, fine or coarse thread, hex or socket head cap. (Does not work on flange head, 12-point, or SAE bolts.) Can be used with a hand drill or with a drill press. The body of the tool is made from aircraft grade aluminum with a hard anodized finish. A spare hard alloy steel drill bushing and two 1/16 inch diameter drill bits are included.

We also offer the Replacement Drill Jig Bushing for Economy Drill Jig separately (Part No. 3750-025). Our Part No. 3744 Bushing for the Deluxe Jig does not fit this model.

Part No.
Stock Status

Condition: New

In Stock

Not bad but could be better


A lot of motorcycle metric bolts are flanged. I had to grind a radius in the upper lip. The recess or counter bore may work for non-flanged but this ends up drilling a hole right at the bottom of hex where it joins the flange.




Very useful tool for drilling although not perfect.


Like in the headline very useful for drilling. My only complaint is that this set used for drilling metric bolts uses standard Allen wrench bolts to tighten the bolts down. Certainly not a deal breaker, but more of a inconvenience since I use primarily metric tools. Just seems that this could have been an easy fabrication fix since it is a metric specific tool.


Austin, TX


Happy with the product work as expected


Verry good product.


Bridgeport ct


Safety Wire Drill Jig for Metric Bolts

4.0 3