HLA 4-Inch Auger Bit for Skid Steers

🟡 High Flow

Overview

The HLA 4-inch Auger Bit is a small-diameter bit for T-post pilot holes, landscape anchor pins, and precision soil sampling. Requires a compatible HLA auger drive unit. Hex drive connection. Ontario-manufactured by Horst Welding as part of HLA's comprehensive auger bit range. Available direct from HLA Attachments — one of Canada's only domestic skid steer attachment manufacturers, with nationwide shipping and Ontario-based parts support.

Canada Availability

Available in Canada through HLA Attachments dealers. Ontario-manufactured by Horst Welding.

Best for: post holes, footings

Compare with: Baumalight 10 Inch Skid Steer Auger Bit · Baumalight 12 Inch Skid Steer Auger Bit

Key Facts

Bit diameter: 4-inch
Drive: HLA auger drive unit
Mount: hex drive
Application: post holes, footings
Manufacturer: Ontario-made
Typical bit weight: 18–28 lbs
Hydraulic flow: determined by auger drive unit (typically 15–30 GPM standard flow, 30–45 GPM high-flow for large drives)

View on hlaattachments.com →

Is This Right For You?

✅ Buy if…

You already have an auger drive unit and need the right bit for your soil type or hole diameter
You drill specific hole sizes for fence posts, footings, or tree planting and need diameter variety

⛔ Skip if…

You don't have an auger drive unit — a bit alone does nothing without a compatible drive motor
Your soil is solid rock or hardpan — standard earth bits fail fast, you need a dedicated frost/rock bit

🔍 Also consider…

Rock or frost auger bit if your ground is caliche, Shield rock, or frozen Prairie soil
Auger drive unit if you don't yet have one compatible with your machine's hydraulic flow

🔧 Machine Compatibility

Compatible with all skid steer brands and compact track loaders via universal SSQA quick attach. Mid-frame machines (S450–S650 class) are the most common fit.

About HLA in Canada

HLA Attachments is an Ontario-based manufacturer that designs and builds attachments in Waterloo, ON, with a dealer network spanning all provinces. Backed by a Canadian warranty and local parts availability, HLA is one of the most trusted names on Canadian job sites.

✅ Last checked: March 2026