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PERMABOND HM163

PERMABOND HM163

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Anaerobic threadlocker, high strength, highest torques

High-strength shaft-hub adhesive, medium viscosity — remains stationary in vertical fits.

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  • brand
  • Container
  • Color
  • Viscosity (adhesives)
  • Viscosity mPa·s
  • Specific gravity
  • fluorescence
  • Gap filling up to
  • Handling strength (M10 steel)@23°C
  • Functional strength (M10 steel) @ 23°C
  • Final strength (M10 steel) @ 23°C
  • Torsional strength (M10 steel ISO10964) Breakaway strength
  • Further torque, M10 Steel Nuts/Bolts
  • coefficient of thermal expansion
  • Dielectric strength
  • Storage temperature (°C)

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PERMABOND

 
General Terms and Conditions.

Shipping usually within 1 to 3 business days
(availability will be confirmed after ordering)

. Express logistics. Fast and reliable within Switzerland & Europe.

Shipping from Swiss warehouse within 24 hours. Batch certificate. Invoice within 30 days (B2B). Technical support.
Shipping & Delivery

Usually 1 to 3 working days

Availability will be confirmed after order receipt.

Express logistics within Switzerland & Europe.

General Terms and Conditions →

Product data

Internal reference: 49-50041026

Internal reference: 49-50041026

PERMABOND HM163
PERMABOND HM163
Permabond · SKU 49-50041026

Permabond HM163 is a high-strength, medium-viscosity anaerobic shaft-hub adhesive — for highly stressed cylindrical fits that are machined in a vertical position or with coarser tolerances.

With a viscosity of 3,500 mPa·s, HM163 lies between the low-viscosity HM162 (1,000 mPa·s) and the HM165 paste (25,000 mPa·s). The higher viscosity ensures that the adhesive remains in place even on vertical shaft-hub fits, without dripping.

With a shear strength of 28 MPa and a breakaway strength of 30 N·m / 55 N·m, HM163 is close to the top value of HM162 — the choice when standard geometry and simple order logistics are more important than the very highest strength grade.

APPLICATION PROFILE

High-strength shaft-hub adhesive in medium viscosity — its superior consistency ensures it remains in place even in vertical or overhead fits. 28 MPa shear strength for demanding bonding applications.

Permabond HM163 in figures
28 MPa
Shear strength
3'500
mPa·s viscosity
0.2 mm
Gap filling
30 N·m
Breakaway torque

What distinguishes Permabond HM163

High-strength shaft-hub bonding
28 MPa shear strength — second highest value in the anaerobic series.
Medium viscosity
3,500 mPa·s — remains stationary in vertical fits.
0.2 mm gap filling
For standard shaft-hub tolerances.
High torques
30 N m Break loose / 55 N m Continue.
UV fluorescence
Curing check using UV light.
Vibration and corrosion resistant
Secures dynamically stressed connections.

What is Permabond HM163 used for?

Vertical shaft-hub fits
Medium viscosity consistency, does not drip.
Bearings and bushings for heavy industry
Highly stressed cylindrical fits.
Standard shaft-hub bonding
If HM162 were too thin.
Drive components with torque transmission
Gears, pulleys.
Machine and plant assembly
When maximum strength is not essential, but high viscosity is required.

processing

1
Clean surfaces
Bonding surfaces must be clean, dry, and free of grease. Degrease with Permabond Cleaner A or a solvent (acetone, isopropanol). Rough surfaces (~25 µm) result in higher bond strength than polished surfaces.
2
Apply adhesive
Apply Permabond HM163 directly from the bottle — for through holes, apply a stripe along the thread length; for blind holes, apply a few drops to the bottom. Do not touch the nozzle to metal surfaces (this will cause premature hardening in the bottle).
3
assembling components
Insert the screws and tighten them to the required torque. For shaft-hub fits, assemble the components before the adhesive begins to cure.
4
Allow to harden
Anaerobic curing begins in the absence of air and in contact with metal. Handling strength is typically achieved after 15 minutes, functional strength after 1 hour, and full strength after 24 hours at 23 °C.
5
Accelerate curing (optional)
Permabond A905 activator can be used on inactive surfaces (stainless steel, zinc, aluminum) or at low temperatures — applied to one adhesive surface, allowed to evaporate, then adhesive applied to the other side.
Data sheets & safety data sheet
Full TDS and SDS in DE, EN, FR — view or download directly.
To the documents →

Recommended accessories

SILISIL Adhesive Dispensing Gun 50 ml
Manual dispensing gun for 50 ml twin cartridges with 1:1 and 2:1 mixing ratios — precise dispensing without waste for multi-component adhesives.
View product →
Permabond A905 Activator
Accelerates anaerobic curing on inactive surfaces such as stainless steel, zinc or aluminum and improves gap curing.
View product →
Permabond A 905 Spray
Aerosol version of the A905 activator — convenient application in inaccessible places or large areas.
View product →
Permabond Cleaner A Aerosol
Spray cleaner for quick degreasing and preparation of the bonding surfaces before applying the anaerobic adhesive.
View product →
Permabond A118 High Strength Universal
High-strength all-round bonding — the universal choice for demanding screw, bearing and shaft-hub connections.
View product →

Important instructions

Not suitable for / Important notes
Disassembly typically requires heating. For inactive surfaces, use A905 activator.
storage
Store at 5 to 25 °C. Anaerobic adhesives lose their reactivity upon contact with metal — do not touch the tip of the bottle to metal surfaces, do not pour the adhesive back into the bottle.

Which Permabond anaerobic adhesive is suitable for which application?

Permabond HM163 in direct comparison with related products of the A series.

Permabond HM163
Current product		Permabond HM162 →Permabond HM165 →Permabond A1042 →
Application / StrengthHigh-strength, medium-viscosity shaft-hub adhesiveMaximum strengthPasty, coarser tolerancesA-series fast curing
viscosity3500 mPa·s1,000 mPa·s25,000 mPa·s—
Maximum gap filling.0.2 mm0.2 mm0.3 mm0.25 mm
Breakaway torque30 N·m32 N·m35 N·m30 N·m
Further torque55 N·m57 N·m50 N·m50 N·m
Topics & Application Areas
Key terms related to this product. Also useful for our search and filters.
PERMABOND

Technical data for PERMABOND HM163

All 16 product information 2 Performance at final strength 2 Physical properties 6 Curing values ​​3 Thermal properties 2 General 1
Product information
brand Permabond
Container 50 ml, 200 ml
Performance at final strength
Torsional strength (M10 steel ISO10964) Breakaway strength 30 Nm
Dielectric strength 11 kV/mm
Physical properties
Color green
Viscosity (adhesives) Medium viscosity 500 - 5000 mPas
Viscosity mPa·s 3500
Specific gravity 1.1
fluorescence Yes
Further torque, M10 Steel Nuts/Bolts 55 Nm
Curing values
Handling strength (M10 steel)@23°C 5 minutes
Functional strength (M10 steel) @ 23°C 1-3 hours
Final strength (M10 steel) @ 23°C 24 hours
Thermal properties
coefficient of thermal expansion 90 x 10-6 mm/mm/°C
Storage temperature (°C) 5 to 25°C
Generally
Gap filling up to 0.2mm

For binding values, please refer to the technical data sheet (TDS) in the "Documents" tab.

Documents and datasheets

Click on a document for a preview or the download icon for a direct download.

Technical Data Sheets (TDS) 3
Permabond HM163 - Technical Data Sheet DE.pdf
326 KB
Permabond HM163 - Technical Data Sheet EN.pdf
355 KB
Permabond HM163 - Fiche Technique FR.pdf
312 KB
Safety Data Sheets (SDS) 3
Permabond HM163 - Safety Data Sheet DE.pdf
429 KB
Permabond HM163 - Safety Data Sheet EN.pdf
426 KB
Permabond HM163 - Fiche de Sécurité FR.pdf
428 KB

Frequently asked questions about Permabond HM163

Practical application and design questions — answered by SILITECH.

Permabond HM163 is an anaerobic acrylic adhesive with a viscosity of 3,500 mPa·s and a gap-filling capacity of up to 0.2 mm. This high-strength, medium-viscosity shaft-hub adhesive boasts a shear strength of 28 MPa and is designed for vertical fits. Anaerobic adhesives cure in the absence of air and metal-to-metal contact, making them ideal for tight-tolerance metal-to-metal bonds.

Anaerobic adhesives like Permabond HM163 remain liquid in the bottle (due to contact with air and oxygen) and only begin to harden after bonding under anaerobic conditions and metal-to-metal contact. Curing starts at the metal surface and progresses into the bond gap. The product cures quickly on steel and copper; on stainless steel and zinc, the Permabond A905 activator may be beneficial.

Yes, with tools — Permabond HM163 is medium-strength (30 N·m breakaway torque) and can be loosened with standard tools. If necessary, the bond can be gently heated to facilitate disassembly.

Permabond HM163 does not have specific industry approvals such as WRAS or KTW (drinking water). For general industrial applications, the product is approved according to Permabond's internal specifications; however, product-specific testing prior to series production is recommended.

Permabond HM163 typically reaches handling strength after 15 minutes and functional strength after 1 hour at 23 °C on M10 steel. Final strength is reached after 24 hours. On inactive surfaces (stainless steel, zinc) or at low temperatures, the curing time is extended—Permabond A905 activator accelerates the process.

Permabond HM163 is a high-strength, medium-viscosity shaft-hub adhesive (3,500 mPa·s viscosity, 0.2 mm gap filling, 30 N·m breakaway torque). Permabond HM162 is a high-strength, low-viscosity adhesive (1,000 mPa·s, 0.2 mm gap filling, 32 N·m breakaway torque) – offering the highest strength. Both belong to the anaerobic Permabond A series.

The choice depends on the application: Permabond HM163 (high-strength, medium-viscosity shaft-hub adhesive); Permabond HM162 (high-strength, low-viscosity); Permabond HM165 (high-strength paste); Permabond A1042 (high-strength, fast-curing). For inactive surfaces (stainless steel, zinc, aluminum) Permabond A905 activator be used to accelerate curing.

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Product specifications

Product information
Container 50 ml or 200 ml
brand Permabond
Performance at final strength
Torsional strength (M10 steel ISO10964) Breakaway strength 30 Nm
Dielectric strength 11 kV/mm
Physical properties
Color green
Viscosity (adhesives) Medium viscosity 500 - 5000 mPas
Viscosity mPa·s 3500
Specific gravity 1.1
fluorescence Yes
Further torque, M10 Steel Nuts/Bolts 55 Nm
Curing values
Handling strength (M10 steel)@23°C 5 minutes
Functional strength (M10 steel) @ 23°C 1-3 hours
Final strength (M10 steel) @ 23°C 24 hours
Thermal properties
coefficient of thermal expansion 90 x 10-6 mm/mm/°C
Storage temperature (°C) 5 to 25°C
Uncategorized
Gap filling up to 0.2mm
Keywords
Keywords
PERMABOND

Documents and datasheets

Safety Data Sheets (SDS) and Technical Data Sheets (TDS) are available for download: