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About the Product

Product Features

The RC4, an advanced tool designed to deliver all the benefits of the A4 model with the added advantage of superior penetration thanks to the B7 taper tooth head. Perfect for a variety of drilling applications, the RC4 comes equipped with versatile taper teeth, ideal for combination drilling across all conditions—from earth to medium rock—ensuring a clean, efficient hole every time. With the RC4, you can count on easy installation and removal of teeth, thanks to Digga's innovative knock-in, knock-out tooth locking system. This unique feature eliminates the need for extra tools, making maintenance quick and hassle-free. Upgrade your drilling equipment today with the RC4 for unmatched performance and convenience!

  • Durable tube made from premium-grade steel
  • Shallow pitch flights designed for efficient spoil removal
  • True Cut design guarantees a 12” auger drills a precise 12” hole
  • Complete range of drive adaptors and extensions available to enhance drilling depth
  •  Double start, single carry flight configuration.
  • Shallow flight pitch for better soil retention.
  • Heavy-duty auger body for increased wear resistance and performance.

Product Specs

Model

DG-RC4-08-3-MFT

DG-RC4-12-3-MFT

DG-RC4-18-3-MFT

DG-RC4-24-3-MFT

Drilling Conditions:

General

General

General

General

Hub:

2" Hex

2" Hex

2" Hex

2" Hex

Overall Length:

48"

48"

48"

48"

Teeth:

TTD / TTs

TTD / TTs

TTD / TTs

TTD / TTs

Pilot:

Pm-HX-3

Pm-HX-3

Pm-HX-3

Pm-HX-3

Maximum Size:

48"

48"

48"

48"

Optimum Drilling Speeds:

Earth: 55-65 RPM

Clay: 45-55 RPM

Shale (fracturable rock): 20-45 RPM

Heavy Rock: Not Available (N/A)

Digga

Digga USA brings world-class engineering to ground engagement tools with a product line trusted across industries—from construction and utilities to agriculture and beyond. As a division of the globally recognized Digga brand, the USA arm delivers high-performance auger drives, anchor drives, and trenchers that are rigorously tested in the extreme conditions of Australia. Every attachment is built to exacting standards using premium materials, with the drives being made in Australia and steel manufacturing in Iowa, USA. Whether it's breaking new ground or anchoring deep foundations, Digga USA offers the robust solutions professionals need..

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Purchase Summary

RC4 auger bits are offered with various tooth configurations to tackle a wide range of ground conditions, including earth, hard soils, shale, clay, and permafrost. Find the perfect match for your drilling needs and ensure optimal performance with our versatile selection.

$800.00$1,650.00

Qty

Our warranty policy lasts 30 days. If 30 days have passed since your purchase, we can’t offer you a full refund or exchange.

Warranty Policy

At Forge Attachment Company, we strive to provide efficient and reliable shipping for all our heavy equipment attachments. Please read the following shipping policy to understand how your order will be processed and delivered.

Shipping Policy

We understand that sometimes products may not meet expectations or requirements. To ensure a positive shopping experience, we’ve outlined our Refunds & Returns Policy.

Returns Policy