Auger Bit 5pc Set – 230mm Long – Hex Shank

Name: Auger Bit Set 5pc 230mm Hex Shank | Insane Bulk Discounts
Brand: Discount Trade Supplies
SKU: AUG-SET05B
Price: 18.95 GBP
Availability: InStock

£18.95£22.74 EX VATINC VAT

A five-piece 230mm auger bit set with hex shanks, covering the sizes you actually reach for most. Comes in a handy carry case. Sizes: 10mm, 13mm, 19mm, 22mm and 25mm.

Credit Plans Available

Description

This auger bit set covers the five sizes that come up again and again on site: 10mm, 13mm, 19mm, 22mm and 25mm. All at 230mm long, with hex shanks that lock into any standard quick-change chuck without messing about. Whether you’re boring cable runs through floor joists, drilling for pipe clips or opening up clearance holes in timber framing, a 230mm auger gets where a standard twist drill simply cannot reach.

The hex shank is worth mentioning properly. It’s not just about quick changes — it stops the bit spinning in the chuck under load, which is exactly what happens with a round-shank auger when the wood grips and the torque spikes. You keep control, the chuck keeps its grip, and the bit keeps cutting rather than chattering.

Where This Auger Bit Set Earns Its Keep

Timber frame work, first-fix electrics, plumbing runs, fencing work — anywhere you need a clean, deep hole through solid or engineered timber. The 230mm length gives you reach through doubled-up joists or thick structural sections in one pass. The 25mm is handy for 22mm plastic pipe clearance, the 19mm suits most conduit work, and the smaller sizes handle cable and fixings. Having all five in one case means you’re not hunting through a toolbox mid-job.

The carry case keeps the set together and the tips protected between uses, which matters more than it sounds — auger tips are easy to nick and a nicked lead screw is a frustrating lead screw. At this price point for a five-piece auger bit set, it’s a practical addition to any tradesperson’s drill kit without requiring a lengthy financial justification to yourself or anyone else.

Pro Tip: When boring through green or wet timber, pull the bit back slightly every inch or so to clear the flutes — packed wet shavings will stall even a decent drill far sooner than the timber itself would.

Applications

Auger bits at 230mm are primarily a timber trade tool. Electricians and first-fix plumbers reach for them constantly when running cables or pipes through joists, noggins and stud walls. Carpenters use them for deep clearance holes, bolt holes in beams and post work. Fencers use the larger sizes for post-to-rail fixings. The hex shank suits cordless drills and SDS-plus adaptors alike, making this set usable across the most common site drill setups.

Best For

Cable and pipe runs through joists
Timber frame first-fix work
Bolt and clearance holes in beams
Fencing and post work
Stud wall drilling

Works With

Standard hex quick-change chucks
Cordless drill drivers
Corded power drills
SDS-plus adaptors with hex fitting

Key Specifications

5-piece set
Sizes: 10mm, 13mm, 19mm, 22mm, 25mm
Length: 230mm
Shank: Hexagonal
Includes carry case

Not suitable for: These are wood auger bits and are not suitable for masonry, metal or composite materials. Not designed for use in SDS-plus chucks directly without a hex adaptor.

Usage

Fit the hex shank into a quick-change chuck or standard drill chuck and tighten securely. Select the appropriate bit size for your hole diameter and start the drill at a moderate speed before applying forward pressure. Let the lead screw do the pulling — you should not need to force it into the timber.

On deeper cuts or through thick sections, withdraw the bit periodically to clear shavings from the flutes. This keeps the cut clean and prevents the bit binding in the hole. For accurate positioning, mark your centre point and start slowly before bringing the drill up to working speed.

Select the correct bit size for your required hole diameter
Insert the hex shank fully into the drill chuck and tighten securely
Mark the centre of your intended hole on the timber
Start the drill at low speed to let the lead screw locate and bite
Increase speed once the lead screw has engaged and the bit is tracking true
Withdraw periodically on deep cuts to clear shavings from the flutes
Reduce speed as the bit approaches the far face to avoid blowout on the exit side

FAQs

Will these bits fit a standard cordless drill driver?

Yes. The hex shank fits directly into any quick-change chuck and into standard three-jaw chucks. For best results with a cordless drill, use a model with sufficient torque for the larger sizes — 19mm and above in hardwood will test a lower-spec drill.

What is the 230mm length useful for on site?

230mm gives you enough reach to bore through doubled-up joists or thick structural timbers in a single pass. It is the standard length for first-fix electrical and plumbing work where you need to clear multiple timber sections without repositioning.

Can these be used with an SDS-plus drill?

Not directly. SDS-plus chucks require an SDS fitting. However, you can use a hex-to-SDS adaptor, which is widely available and inexpensive. Many tradespeople keep one in their kit specifically for running auger bits off a larger SDS drill when they need more torque.

Technical Information

The bits feature a hex shank profile that prevents rotation under load in the chuck, a self-feeding lead screw tip to pull the bit through timber, and spiral fluting to evacuate waste material as the hole progresses. At 230mm working length, they suit the depth requirements of most structural and first-fix timber applications. The set ships in a moulded carry case to protect the tips in transit and storage.

Set Size	5 pieces
Bit Sizes Included	10mm, 13mm, 19mm, 22mm, 25mm
Length	230mm
Shank Type	Hexagonal
Material Suitability	Wood and timber
Includes	Carry case
SKU	AUG-SET05B