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Mexco  ·  SKU: 137368

Mexco 1 ¼" to ½" Female Adaptor

Mexco 1¼" to ½" thread adaptor for diamond core drills. Converts between UNC and BSP fittings for extension bars and core bits. Hex body for spanner grip.

£67.08 each, ex VAT
£80.49 inc VAT
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Why it works

A simple fix for mismatched core drill threads

Converts between thread standards

Converts a 1¼" UNC fitting to ½" BSP, so core bits, extension bars and drill fittings with different threads can be used together.

Secure spanner-tightened fit

The hex-profile body lets the adaptor be tightened securely with a standard spanner for a stable connection.

Built for professional core drilling

Machined for masonry core drilling equipment, connecting fittings with mismatched thread standards.
Overview

Mexco 1¼" to ½" Female Adaptor - Overview

The Mexco 1¼" to ½" Female Adaptor is a threaded coupler for connecting core drilling equipment with different thread fitments, converting between 1¼" UNC and ½" BSP thread standards.
1¼in
UNC thread
½in
BSP thread
Dimensions
UNC thread1¼"
BSP thread½"
Details
BrandMexco
Compatible withDiamond core drills and extension bars
FinishBlack-finished machined body

Frequently asked questions

What does this adaptor convert between?

It converts a 1¼" UNC thread fitting to a ½" BSP thread fitting, letting equipment with different thread standards be connected.

What is it used for?

It's used on diamond core drilling equipment to connect core bits, extension bars or drill fittings that have mismatched thread standards.

How do I tighten the adaptor?

The body has a hex profile, so it can be tightened securely with a standard spanner.

Is it suitable for professional core drilling?

Yes, it's built for professional masonry core drilling applications.

Will this fit my extension bar or core bit?

It's designed to fit thread-compatible extension bars and core bits using 1¼" UNC or ½" BSP fittings - check your equipment's thread size before ordering.

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