Collection: STIHL Earth Auger Accessories

Digging post holes by hand across a fence line or planting job is slow and exhausting, and the wrong bit diameter or type struggles in compacted or rocky ground. This range covers auger bits sized for different hole diameters, a soil loosener bit for tougher ground, plus chucks, shaft extensions and cushion padding to keep an existing machine running. Matched to BT45, BT131 and BT360 models.

Digging post holes by hand across a fence line or planting job is slow a ...

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Buyer's Guide

STIHL Earth Auger Accessories Buyer's Guide

Bits, extensions and spare parts — here's how to fit out your earth auger for fence posts, planting or footings.

Auger Bits & Extensions

Different bit diameters suit different jobs — narrower bits for fence posts and planting, wider bits for footings — and extensions let you reach greater depths without buying a longer auger outright.

Spare Parts

Gearbox seals, shear pins and drive components wear from the load augers put through them — keeping spares on hand avoids a job grinding to a halt over a small part.

Choosing Bit Diameter

Match bit diameter to the post or plant you're installing, with a little extra room for backfilling — too tight a fit makes setting posts harder than it needs to be.

Battery vs Petrol Compatibility

Confirm whether your earth auger is the petrol BT 131 or cordless BTA 140 before ordering accessories, as bits and fittings are shared but drive shaft compatibility can differ.

Complete Your Kit