► Bremick | Structural Taper Washers

Flat Bearing Support for Angled Steelwork Bremick Structural Taper Washers provide a flat bearing interface where structural fasteners pass through angled or tapered steel surfaces. Designed for structural steelwork, fabrication, construction & industrial applications, the tapered profile compensates for the angle of the supporting surface so the structural fastening assembly...

Flat Bearing Support for Angled Steelwork

Bremick Structural Taper Washers provide a flat bearing interface where structural fasteners pass through angled or tapered steel surfaces. Designed for structural steelwork, fabrication, construction & industrial applications, the tapered profile compensates for the angle of the supporting surface so the structural fastening assembly can seat correctly.

Bremick's current WTWMG Structural Taper Washer range is metric & galvanised, with M12, M16 & M20 variants listed live. Bremick's current K0 technical documentation also identifies an M24 square taper washer, creating a documented range from M12 through M24.

For complete structural fastening requirements, Structural Fasteners & Bolts provides the closest direct pathway into complementary structural hardware.

What Are Structural Taper Washers?

Structural taper washers are purpose-shaped washers used where the supporting steel surface isn't perpendicular to the bolt axis.

Unlike a conventional flat washer, a taper washer has an angled profile.

That geometry compensates for the slope of the connected surface, creating a flatter bearing interface beneath the structural fastener.

Bremick's current structural technical documentation identifies an 8° taper for its square taper washer range.

Their function is particularly relevant where structural fasteners bear against tapered steel sections or other specified angled surfaces.

The fastening principle is:

Angled surface → taper washer → flat bearing interface → structural fastener assembly

Bremick specifically explains that the taper washer creates a flat bearing surface to support even loading. Without appropriate correction of the angled surface, the resulting gap can contribute to uneven loading, reduced preload, cross-threading plus connection failure.

For wider washer requirements across trade fastening applications, Nuts & Washers provides the second direct purchasing pathway.

Why Choose Bremick Structural Taper Washers?

Structural connections depend on the geometry of the complete joint.

When a bolt assembly passes through an angled steel surface, forcing a conventional washer or nut against that slope can create poor seating.

A correctly specified taper washer addresses that geometry.

Bremick's current technical documentation identifies:

► Square taper washer construction
► 8° taper
► Metric sizing
► Hot-dip galvanised finish within the documented K0 range
► M12
► M16
► M20
► M24
► HRC 33–41 hardness specification
► Manufacture in accordance with AS/NZS 1252.1:2016
► Testing in accordance with AS/NZS 1252.2:2016
► Suitability for use with Bremick K0 structural assemblies

That makes the product considerably more specific than a general-purpose washer.

Where the connection requires compatible structural bolt assemblies, Bolts & Fasteners provides access to the wider bolt category.

For practical background on choosing fastening systems across trade applications, the Fastener Guide Bolts Screws Anchors provides useful supporting guidance.

Bremick Structural Taper Washer Specifications

Bremick's current technical documentation provides useful dimensional data for its square taper washer range.

Nominal Size

Inside Diameter

Width Across Flats

Mean Thickness

Taper

M12

13–13.43 mm

25.4 mm

6.35 mm

8°

M16

18–18.43 mm

31.75 mm

6.35 mm

8°

M20

22–22.52 mm

38.1 mm

6.35 mm

8°

M24

26–26.52 mm

44.45 mm

6.35 mm

8°

The documented product codes are:

► WTWMG1200W2 – M12
► WTWMG1600W2 – M16
► WTWMG2000W2 – M20
► WTWMG2400W2 – M24

The current Bremick live product page displays WTWMG M12, M16 & M20 variants while Bremick's newer structural technical documentation additionally identifies M24. Confirm current availability when ordering.

For other structural connections requiring conventional flat structural washer geometry, Flat Washer provides a relevant cross-sell pathway.

Common Applications

Bremick Structural Taper Washers are relevant where structural fastening occurs against an appropriately specified angled bearing surface.

Applications can include:

► Structural steel fabrication
► Steel construction
► Tapered steel sections
► Channel connections where specified
► Structural frames
► Industrial steelwork
► Infrastructure fabrication
► Equipment support structures
► Plant installations
► Heavy steel brackets
► Workshop fabrication
► Site erection
► Structural maintenance
► Engineered steel connections

The presence of an angled surface doesn't automatically mean an 8° taper washer is suitable.

The washer angle, bolt size, steel geometry, connection design plus structural specification all need to match.

For structural steel projects requiring related heavy-duty fastening components, Hex Bolts provides another relevant cross-sell pathway.

Product Selection Guide

Taper washer selection starts with geometry rather than bolt diameter alone.

1. Confirm the Bearing Surface Is Angled

First establish why a taper washer is required.

A structural taper washer is intended to compensate for an angled bearing surface.

If the bearing surface is already flat plus perpendicular to the bolt axis, a taper washer shouldn't be introduced simply because it fits the bolt.

2. Confirm the Required Taper

Bremick's current square taper washer documentation specifies an 8° taper.

That angle is a critical product attribute.

Don't assume all taper washers use the same angle.

The required taper should correspond with the connected steel geometry plus structural design.

3. Match the Nominal Bolt Size

Bremick's documented range covers:

► M12
► M16
► M20
► M24

Match the washer to the specified structural fastener rather than choosing solely from the washer opening.

4. Verify Washer Dimensions

Nominal diameter isn't the only dimension that matters.

Check:

► Inside diameter
► Width across flats
► Mean thickness
► Taper angle
► Bearing orientation
► Connected surface geometry

Bremick documents a 6.35 mm mean thickness across its current M12–M24 square taper range.

5. Confirm the Finish

Bremick identifies the WTWMG family as galvanised, while its current K0 documentation describes the square taper washer range as hot-dip galvanised.

Finish selection should remain compatible with:

► Structural fastener finish
► Project specification
► Steel coating system
► Exposure conditions
► Corrosion requirements
► Maintenance environment

Don't select the washer finish independently from the complete structural connection.

6. Check Hardness Requirements

Bremick's current technical documentation specifies Rockwell HRC 33–41 for the square taper washer range under its AS/NZS 1252.1 structural data.

Hardness is one reason a purpose-specified structural taper washer shouldn't be casually replaced with a fabricated wedge, general washer or visually similar component.

7. Verify the Structural Assembly

Bremick states that these square taper washers are suitable for use with its K0 structural assemblies.

The complete connection can involve:

Structural bolt → steelwork → taper washer → structural nut

The actual washer position plus connection arrangement must follow the approved structural detail.

Where complementary nut products are required elsewhere within the project, Hex Nut provides a relevant supporting category.

8. Verify the Applicable Standard

Bremick's current K0 technical documentation states that its square taper washers are:

Manufactured in accordance with AS/NZS 1252.1:2016

Tested in accordance with AS/NZS 1252.2:2016

Those are manufacturer-backed specification statements for the documented product range.

Project engineers, fabricators plus installers should still confirm that the specified washer, assembly plus connection comply with the requirements applying to the individual project.

Businesses coordinating repeat structural fastening orders can use Industrial Shed's Trade support Solutions for wider procurement support.

Expert Tips for Taper Washer Installation

► Check the angle first. Bremick's documented square taper washer uses an 8° taper.
► Orient the taper correctly. The washer needs to compensate for the angled surface rather than increase the misalignment.
► Look for full seating. The intended result is a flat bearing interface for the structural fastener.
► Don't force a flat washer onto an angled surface. Poor seating can introduce uneven bearing conditions.
► Match the nominal size. Use the specified M12, M16, M20 or M24 washer as applicable.
► Check the connected fastener. Washer plus structural assembly need to be compatible.
► Inspect the galvanised surface. Significant coating damage should be assessed before installation.
► Keep the bearing area clean. Scale, weld spatter, burrs plus debris can prevent correct seating.
► Don't fabricate substitutes on site. A general wedge or modified washer doesn't automatically provide equivalent geometry, hardness or structural performance.
► Follow the structural drawing. Washer orientation, fastener configuration plus tensioning requirements should come from the approved connection detail.

For heavy industrial environments where fastener inspection forms part of preventative maintenance, Quarry Crews Crusher Maintenance provides relevant wider maintenance context.

Why Taper Washer Orientation Matters

Orientation is fundamental to how a taper washer works.

The purpose of the tapered profile is to compensate for the angle of the connected surface.

Correctly oriented:

Angled steel + 8° taper washer = flatter fastener bearing interface

Incorrectly oriented:

Angled steel + incorrectly positioned taper = greater misalignment

Poor orientation can prevent full seating plus undermine the reason the washer was specified.

Before tensioning the structural assembly, visually confirm that the washer is seated as intended against the angled surface.

The bolt plus nut should align with the engineered connection rather than being forced into position through tightening.

Structural Taper Washers vs Flat Structural Washers

Both products can form part of structural fastening systems but they solve different geometric requirements.

A conventional structural washer is intended for an appropriate flat bearing condition.

A structural taper washer is specifically shaped to compensate for an angled surface.

The distinction is:

Flat bearing surface → specified flat structural washer

Angled bearing surface → correctly specified taper washer

Don't interchange the two because their bolt holes appear similar.

Geometry matters.

For teams preparing structural fastening stock plus equipment before major site activity, Spring Jobsite Prep Getting Your Gear Ready provides useful jobsite preparation guidance.

Avoid These Structural Taper Washer Errors

Common installation plus procurement errors include:

► Selecting by bolt diameter alone
► Ignoring taper angle
► Installing the taper in the wrong orientation
► Substituting a flat washer
► Using an improvised wedge
► Mixing incompatible finishes
► Installing over weld spatter
► Ignoring washer hardness requirements
► Using the wrong nominal size
► Failing to check full bearing contact
► Using damaged washers
► Ignoring structural drawings
► Assuming every angled steel section requires the same taper
► Tensioning before confirming washer seating

A better workflow is:

Identify angle → verify washer → match bolt size → orient taper → inspect seating → tension to specification

For recurring structural consumables plus site stock requirements, on-site & workshop Services provides a second relevant support pathway.

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Why Buy From Industrial Shed?

Industrial Shed supports Australian steel fabricators, builders, maintenance teams, workshops plus industrial businesses with structural fastening products, tools, equipment plus trade-focused supply solutions.

For taper washers, accurate selection matters because these aren't simply spacers. Their geometry performs a specific role within an angled structural fastening connection.

The purchasing sequence should remain:

Confirm angled surface → verify 8° taper requirement → identify bolt diameter → confirm dimensions → check galvanised finish → match structural assembly → verify specification

That approach helps keep procurement aligned with the structural connection rather than treating the washer as generic hardware.

Correct the Angle & Build the Connection Right

✔ Bremick structural taper washer range
✔ Metric M12–M24 documented sizing
✔ 8° square taper profile
✔ 6.35 mm documented mean thickness
✔ HRC 33–41 documented hardness
✔ Hot-dip galvanised documented range
✔ AS/NZS 1252.1:2016 manufacturing specification
✔ AS/NZS 1252.2:2016 testing specification
✔ Suitable for Bremick K0 structural assemblies
✔ Trade-focused structural fastening support

Choose Bremick Structural Taper Washers by surface angle, structural fastener size, washer dimensions, finish plus connection specification — then verify correct orientation before tensioning.

Frequently Asked Questions

They compensate for an angled bearing surface so a structural fastener can bear against a flatter interface. Bremick identifies its square taper washers for structural fastening applications.

Bremick's current structural technical documentation specifies an 8° taper for its square taper washer range.

Bremick documents M12, M16, M20 plus M24 square taper washers. The current live WTWMG product page lists M12, M16 plus M20 variants.

Yes. Bremick identifies WTWMG as a galvanised metric structural taper washer range, with its current K0 technical documentation specifying hot-dip galvanised square taper washers.

Not where the specified connection requires the taper to correct an angled bearing surface. Any substitution needs to satisfy the structural design plus applicable specification.

The taper should be oriented to compensate for the angled supporting surface so the fastener receives the intended flat bearing interface. Follow the approved structural connection detail.

Yes. Bremick's current structural technical documentation identifies its square taper washers as suitable for use with K0 structural assemblies.

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