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Triple-Lead Flighted Screw Augers

Triple-Lead Flighted Screw Augers

AMS triple-lead flighted screw augers are able to bore holes in compacted soil lithologies to allow the user to collect a disturbed soil sample. They weigh less than regular flighted screw augers, and they are constructed using carbon steel and a precise heat-treating and hardening process – making them some of the strongest soil augers available. Flighted auger sampling kits that utilize powered drills are also available for those who need to go deeper, faster.
* Not For Use w/ Rotary Hammer Drills


5/8" Threaded, Triple-Lead Flighted Screw Augers

Part #DiameterLengthWeight
424.601 1/4"18"2.0 lb.
424.611 1/2"18"2.0 lb.


Flighted Screw Augers

 Flighted Screw Augers

AMS flighted screw augers are capable of creating a borehole in tough, hardened soil conditions – allowing the user to collect a disturbed sample. These robust augers are made of carbon steel and feature single- twisted flighting with smooth edges that allow for easy soil penetration.


5/8" Threaded,Flighted Screw Augers

Part #DiameterLengthWeight
405.052"12"2.2 lb.
405.031 3/4"12"1.8 lb.
405.021 1/2"12"1.5 lb.


Quick Connect, Flighted Screw Augers

Part #DiameterLengthWeight 
305.012"12"4.8 lb.
305.031 3/4"12"3.6 lb.
305.021 1/2"12"3.0 lb.


AMS Connection Types

AMS signature series, threaded, and quick connect connections are used to connect AMS cross handles or slide hammers to AMS extensions,auger heads, and samplers. Each connection type has advantages that will make it more appropriate for particular uses or users. Please take into consideration that not all items will be available in every connection type. Contact us if you are unsure which connection type to use.


Helpful Tips for Using Signature Series and Threaded Connections

AMS recommends using non-adhesive fluoropolymer tape and wrench-tightening AMS threaded and signature series connections to help prevent the components from being damaged during heavy use and to minimize wear and tear over time. This also helps prevent threaded components from being difficult to disconnect after use with a slide hammer, hammer-head cross handle, or after hard twisting with a standard cross handle or ratcheting handle.


AMS Signature Series Connections

AMS Signature Series Connections

Signature series components feature a heavier thread than 5/8" threaded connections. They are generally more robust and last longer under heavy use. Signature components can be connected and disconnected with only 2 1/2 turns, and have less risk of galling. Our most popular slide hammers, augers, core samplers, and soil sampling kits are available with signature series connections.


AMS 3/4

AMS 3/4" & 5/8" Threaded Connections

AMS 5/8" and 3/4" threaded connections use standard, national course, threads. 3/4" are used with the new AMS professional line of augers and samplers. 5/8" connections are the most common and least expensive. Augers, core samplers, probes, slide hammers, hammer-head handles, and kits are available with threaded connections.

AMS Quick Connect Connection
AMS Quick Connect Connection

The AMS quick connect button-and-hex coupling system allows components to connect and disconnect faster and with less hassle than threaded or signature series systems. When in use, the torque exerted on the system is placed on the hex – rather than threads – which makes the quick connect connection durable and prevents the components from binding together. Quick connect connections also allow for reverse augering with either a rubber-coated cross handle or ratcheting cross handle. Most augers and some soil sampling kits are available with AMS quick connect connections, but the connections are not compatible with AMS slide hammers or the hammer-head cross handle.