Connectors

Connectors are for fitting threaded mixer paddles to electric, air or petrol powered drills

Drills are normally supplied with a drill chuck; in most cases the chuck can be removed from the drill leaving the drive spindle to which can be fitted a connector

There are four main types of drill

Mixer drills – these are produced with an M14 female output spindle so that the mixer paddle can be screwed directly into the mixer drill

Hammer & rotary drills – these are the standard power tool produced by most manufacturers; when the chuck is taken off,  a male threaded spindle is exposed; most commonly this thread is 1/2" or 5/8"

SDS drills – SDS hammer drills use an male connector to make changing attachments and tools easy; the smaller drills normally use an SDS Plus fitting, larger drills and hammers use an SDS Max fitting

Morse taper drills – these drills are slow speed engineers power tools often called “gutbusters”; they have a tapered female output shaft

There are a variety of taper fittings for larger breaker type power tools (Kango, A taper and K taper), but paddles are seldom required for these power tools

Other drills suitable for mixing include air drills which normally have a small 3/8" male spindle. There are also several petrol drills available; these have a 1/2" fitting but do not normally prove suitable for mixing in the long term

Paddle extensions fit between the drill and the paddle to extend the overall paddle length; they are for use by taller users; the paddle extensions will extend the length of the paddle so it can be used for mixing in a 45 gallon drum

Drill Chucks for Mixer Drills

A chuck with M14 male thread allows hex shaft paddles to be used with a MEGAMIXER

Several smaller paddles are only available with a hex shaft

Mixer Drills

Most drills produced specifically for mixing will have an M14 female output spindle. The following are the most popular types

MEGAMIXERS - all mixers are supplied with M14 female output spindle

EIBENSTOCK - all mixers are supplied with M14 female output spindle; EIBENSTOCK are Europe’s largest producer of mixer drills supplying all REFINA MEGAMIXERS and several other power tool brands (METABO, COLLOMIX, MAKITA)

COLLOMIX - all mixers are supplied with M14 female output spindle

BOSCH - GRW11E mixers sold after 1998 are already fitted with a 5/8" to M14 connector and the replacement paddle will fit directly into this connector; GRW11E mixers sold pre 1998 have a 30cm paddle extension; a 5/8" to M14 connector is required to fit the replacement paddle; the drill output spindle is male 5/8"

FLEX & PFT - mixers should already be fitted with an M14 connector; the drill output spindle is normally male M18, although some older PFT mixers had an M20 thread

DE WALT - DW134 is already fitted with an M14 connector

RYOBI - PMT1361 power mixers require a 1/2" to M14 connector to replace the RYOBI alloy paddle which often wears out quite quickly; the drill output spindle is male 1/2"

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