ICCONS® | Screws - Self Drillers Hex & Neo

Direct Steel Fixing with Positive Hex-Drive Control Steel brackets, fabricated sections & metal assemblies often need a fastener that can drill, thread & clamp without turning every fixing point into a separate drilling operation. ICCONS® | Screws - Self Drillers Hex & Neo covers hex-head self-drilling screws designed for compatible...

Direct Steel Fixing with Positive Hex-Drive Control

Steel brackets, fabricated sections & metal assemblies often need a fastener that can drill, thread & clamp without turning every fixing point into a separate drilling operation. ICCONS® | Screws - Self Drillers Hex & Neo covers hex-head self-drilling screws designed for compatible mild-steel connections, with coarse-thread, fine-thread, higher-capacity 5 Series & sealing-washer configurations available across the wider ICCONS® range.

The important question isn't simply which hex screw fits—it's how much steel the drill point must penetrate. ICCONS® self-drilling hex screws use hardened points to drill & tap their own thread within stated material capacities, while external hex heads provide positive driver engagement for repeated steel fastening.

For installation, suitable Impact Drivers can be paired with the correct Drill Accessories. Where the surrounding assembly requires another fixing format, Bolts & Fasteners provides additional options for compatible connections.

What Are ICCONS® Self Drilling Hex & Neo Screws?

A self-drilling hex screw combines hole preparation & fastening in one operation when the selected point is used within its documented steel capacity. Instead of drilling a pilot hole first, the hardened point penetrates compatible mild steel before the thread engages the material.

Across the wider ICCONS® self-drilling hex family, buyers can encounter:

► Self Drilling Hex – Coarse Thread for efficient fastening through compatible mild steel
► Self Drilling Hex – Fine Thread for more controlled installation where the product specification suits the steel connection
► Self Drilling Hex 5 Series – Fine Thread with a higher-capacity drill point for applicable heavier steel connections
► Self Drilling Hex with Sealing Washer – Coarse Thread where an EPDM sealing component is required
► Self Drilling Hex with Sealing Washer – Fine Thread for controlled steel fastening with an EPDM washer
► Self Drilling Hex 5 Series with Sealing Washer for applicable higher-capacity connections that also require sealing
► Painted Hex Configurations across applicable products where the fastener finish contributes to the completed appearance
► Trade Pack Options across selected configurations for practical project quantities

A shared hex head doesn't make these screws interchangeable. Thread pitch, drill point, steel capacity, length, finish, sealing requirement & head size can all change between configurations.

For a broader introduction to choosing fasteners around the materials being joined, see the Fastener Guide Bolts Screws Anchors.

Why Choose ICCONS® Self Drilling Hex & Neo Screws?

Drill & Fasten in One Operation

Removing a separate pilot-hole operation can make repetitive steel fastening considerably more efficient. ICCONS® self-drilling hex screws use hardened drilling points that penetrate mild steel & form their own thread when the selected product is used within its stated capacity.

This makes the family particularly useful across compatible bracket, component, section & general steel-assembly fastening.

Positive Hex-Drive Engagement

Repeated steel fixing demands reliable engagement between the driver & fastener. The external hex head provides a positive driving surface for compatible nut setters, helping installers maintain control during drilling, thread formation & final tightening.

Driver size varies across the range, so the nut setter should always be matched to the selected screw.

Coarse Thread for Efficient Progression

Installation volume can make thread behaviour noticeable across an entire fabrication or construction job. ICCONS® coarse-thread self-drilling hex screws provide faster thread progression than their fine-thread counterparts while retaining direct drilling capability within the applicable steel range.

A documented 8-18 × 12 mm coarse-thread configuration, for example, is rated for 0.75–2.50 mm steel, while applicable 10-16 × 16 mm configurations cover 0.75–3.50 mm steel.

Fine Thread for Greater Driving Control

Some steel connections benefit from a more measured final drive. ICCONS® fine-thread self-drilling hex screws provide slower thread progression than coarse-thread versions, giving the installer greater control as the connection tightens.

Selected standard fine-thread configurations cover steel capacities extending to 5.00 mm, depending on the individual gauge & product.

5 Series for Higher Drilling Capacity

Once steel thickness exceeds the capability of a standard point, extra driver pressure isn't the solution. ICCONS® 5 Series, also known as Series 500, self-drilling hex screws use a higher-capacity hardened point for applicable mild-steel connections.

Selected ICCONS® 5 Series Hex products are designed to drill through up to 12 mm mild steel, subject to the individual screw specification.

Common Applications

Steel Brackets

Bracket work can look straightforward until overlapping materials increase the thickness at the fixing point. ICCONS® self-drilling hex screws suit compatible mild-steel bracket connections where the selected point capacity covers the complete material stack.

Measure or verify the steel at the actual connection rather than judging capacity from one visible component.

Metal Components & Assemblies

Workshop fabrication often calls for fast, repeatable connections between secondary steel components. Coarse or fine-thread hex self-drillers can provide a practical fastening method where their dimensions, drilling capacity & finish suit the assembly.

For steel fastening requirements outside this screw family, Specialty Fasteners & Fixings provides additional connection options.

Steel Sections

Section thickness can quickly separate an appropriate self-driller from an underspecified one. Standard self-drilling hex screws cover defined mild-steel ranges, while selected 5 Series products extend into substantially heavier material.

Never assume one hex-head screw shares the drilling capacity of another simply because the heads appear similar.

Sheds, Garages & Steel-Framed Construction

A steel structure can contain several fastening conditions before the frame is complete. Brackets, secondary members, fabricated components & sheet interfaces may each require different screw lengths, thread forms or drilling capacities.

Separating fasteners by connection before installation helps prevent similar-looking configurations from being mixed on site.

Fabrication & Workshop Repairs

Replacement work deserves more than matching an old fastener by eye. Identify the screw gauge, length, thread, hex size, finish & combined steel thickness before choosing the replacement.

If the original point struggled to penetrate the connection, check whether its drilling capacity was appropriate for the material it encountered.

Sealed Steel Connections

Some penetrations need sealing as well as mechanical fastening. ICCONS® produces self-drilling hex configurations with EPDM sealing washers for compatible applications where a sealing component is required beneath the head.

Washered configurations should be selected according to both the steel connection & the sealing requirement.

Higher-Capacity Steel Fastening

Heavy brackets & thicker fabricated components can move a connection beyond ordinary self-drilling capacity. Applicable ICCONS® 5 Series Hex screws provide a dedicated option where the verified mild-steel thickness falls within the selected product's higher drilling range.

Where the connection instead requires bolts or nominated structural hardware, Structural Fasteners & Bolts provides relevant alternatives.

Product Selection Guide

Put steel thickness at the top of the checklist. Once that figure is established, thread pitch, drill-point capacity, screw length, finish, head size & sealing requirements can be compared with much greater confidence.

ICCONS® Hex Family

Thread / Point

Typical Role

Main Selection Consideration

Self Drilling Hex – Coarse

Coarse / standard self-drilling

General compatible steel fastening

Efficient thread progression

Self Drilling Hex – Fine

Fine / standard self-drilling

Compatible mild-steel assemblies

More controlled driving

Self Drilling Hex 5 Series

Fine / higher-capacity point

Thicker compatible mild steel

Steel drilling capacity

Hex with Sealing Washer – Coarse

Coarse / self-drilling

Steel connections requiring an EPDM seal

Capacity & sealing requirement

Hex with Sealing Washer – Fine

Fine / self-drilling

Controlled fastening with sealing

Steel thickness & washer seating

5 Series with Sealing Washer

Fine / higher-capacity point

Heavier compatible steel requiring sealing

Higher drilling range & EPDM washer

Coarse or Fine Thread?

Here's the practical distinction: coarse thread prioritises faster progression, while fine thread provides a more controlled drive. ICCONS® identifies coarse-thread Hex screws as the faster-installing counterpart to its fine-thread family.

Fine-thread products can be particularly relevant where the selected connection involves thicker compatible steel.

Standard Point or 5 Series?

A thicker section changes the drill-point requirement before it changes anything else. Standard self-drillers have individual material ranges, whereas ICCONS® 5 Series products use a specialised point for higher-capacity drilling.

Selected 5 Series Hex configurations cover compatible mild steel up to 12 mm, but that figure must not be applied to standard self-drilling products.

What Steel Capacity Do I Need?

Count every layer the drill point has to cross. A screw passing through overlapping steel components encounters their combined thickness, not the thickness of either piece individually.

Documented ICCONS® examples include:

► 8-18 × 12 mm coarse thread – applicable configurations rated for 0.75–2.50 mm steel
► 10-16 × 16 mm coarse thread – applicable configurations rated for 0.75–3.50 mm steel
► 10-24 × 25 mm fine thread – applicable configuration rated for 1.20–3.50 mm steel
► 14-20 fine-thread configurations – selected products rated for 1.20–5.00 mm steel

These ranges show why the exact product matters. Confirm the selected ICCONS® configuration against the connection rather than applying one capacity across the collection.

Which Hex Driver Fits?

The correct nut setter should be established before repetitive work begins. ICCONS® self-drilling hex products use different external hex sizes according to gauge & configuration, including 1/4", 5/16" & 3/8" across relevant ranges.

Keep the appropriate driver with each fastener type to reduce incorrect engagement & interruptions during installation.

When Is a Sealing Washer Required?

A standard hex head & an EPDM-washered configuration solve different connection requirements. Where the penetration requires sealing, choose the ICCONS® product designed with the appropriate washer rather than improvising a sealing component on a plain screw.

For related screw configurations used across steel, sheet & construction work, Screws & Anchors provides access to additional fixing families.

Which Finish Suits the Job?

Dimensions alone don't determine whether a fastener belongs in the environment. ICCONS® offers applicable zinc, galvanised, stainless & painted variants across different self-drilling Hex families.

Confirm the finish against exposure, connected materials & project requirements before substituting one configuration for another.

For workshops carrying several gauges, lengths & finishes, Small Parts Organisers can help keep similar-looking fasteners correctly separated.

Expert Tips

Measure the Connection, Not the Visible Sheet

A lap, bracket or concealed plate can add steel exactly where the screw has to drill. Confirm the complete material thickness at representative fixing positions before selecting a point capacity.

Pay Attention to Difficult Penetration

Repeated stalling, overheating or excessive pressure can indicate that something in the setup needs checking. Verify the steel thickness, selected drill point & driver setup instead of continuing to force the screw.

Establish the Nut Setter Before Opening Multiple Boxes

Mixing 1/4", 5/16" & 3/8" hex configurations can interrupt production surprisingly quickly. Set out the correct drivers with the relevant fasteners before repetitive assembly begins.

Control the Final Stage of the Drive

Drilling through steel & tightening the completed connection are different parts of the operation. Once the point has penetrated & the thread has engaged, control the final drive so the fastener seats correctly without unnecessary overtightening.

Use 5 Series Where the Material Requires It

Higher drilling capacity has a defined purpose. Select 5 Series where the verified steel thickness calls for the higher-capacity point rather than making it the automatic choice for every steel connection.

Inspect the Drill Point During Repetitive Work

A damaged tip changes the performance of a self-drilling screw immediately. If penetration becomes inconsistent, inspect the point & verify the material before applying additional force.

For practical guidance on recognising equipment issues before they interrupt site or workshop work, see 7 Signs Your Power Tool Needs a Service Before It Fails On Site.

Keep Fastener Identity With the Stock

Loose hex screws become difficult to distinguish once different gauges, finishes & threads share the same organiser. Retain packaging, ICCONS® product codes & relevant material-capacity information wherever practical.

Recognise When Another Connection Is Required

Direct drilling is efficient, but it doesn't override a specified fastening system. Where drawings, engineering documentation or equipment instructions nominate a bolt, anchor or another connection, use the required hardware.

Why Buy ICCONS® Self Drilling Hex Screws From Industrial Shed?

Steel thickness is valuable information when selecting a self-driller because it immediately rules unsuitable point capacities in or out. Industrial Shed supports fabricators, builders, installers, maintenance teams & trade workshops sourcing ICCONS® self-drilling Hex configurations for compatible steel brackets, components, sections & assemblies.

Replacement identification becomes more reliable when the connection details accompany the old screw. Knowing the combined steel thickness, screw dimensions, hex size, finish & whether the original fastener used a sealing washer gives a clearer basis for selecting the required configuration.

Businesses managing recurring fastening consumables can review Trade support Solutions for trade-focused purchasing support.

For qualifying stocked orders required around current workshop or site schedules, Same day dispatch outlines available dispatch arrangements.

Know the Steel Before the Driver Starts

The most useful number in a self-drilling connection may be the thickness hidden between its two outer faces. Establish that figure first, then narrow the ICCONS® Hex family by standard or 5 Series point, coarse or fine thread, length, finish & sealing requirement.

Correct setup gives the drill point the opportunity to perform as intended. Match the nut setter to the head, keep similar configurations identifiable & move to the specified structural hardware wherever the connection requires it.

For additional guidance on fastening decisions across steel & construction work, read Why Good Fasteners Matter More Than the Tool You Drive Them With.

Measure the complete steel connection first, then select the ICCONS® Hex & Neo configuration with the drilling range, thread, drive & finish required for the work.

Frequently Asked Questions

The hardened point can drill & form a thread in compatible mild steel without a separate pilot hole when used within its documented capacity, while the external hex head provides positive driver engagement.

Use the combined thickness encountered by the drill point at the fixing position. Overlapping sheet, brackets or plates can increase the material beyond the thickness of either individual component.

Fine thread provides slower, more controlled progression as the connection tightens. Coarse thread provides faster progression. The appropriate configuration also depends on steel thickness & individual product capacity.

Consider the appropriate 5 Series configuration when the steel exceeds the drilling capacity of a suitable standard self-driller. Selected ICCONS® 5 Series Hex products are documented for compatible mild steel up to 12 mm.

No. Relevant ICCONS® configurations use different hex sizes, including 1/4", 5/16" & 3/8". Match the driver to the individual fastener.

No. The wider family includes both plain Hex configurations & versions supplied with an EPDM sealing washer. Choose a washered product where the application requires that sealing component.

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