Rothoblaas screws: a simple guide to choosing the right fasteners for timber, metal, and concrete
Introduction: why Rothoblaas screws matter
Rothoblaas screws are built for modern building needs. They bring strong hold, precise performance, and a huge choice for timber, metal, and concrete. If you design, build, or maintain structures, the right screw saves time, boosts safety, and helps projects last. In this guide, we explain the main types of Rothoblaas screws, where to use them, and how to choose the best option for your job.
You can explore the full range on the official page: Rothoblaas Screws.
What makes Rothoblaas screws different
- Wide range for many materials: timber, plates, concrete, and metal
- High performance in load, pull-out, and shear
- Options for harsh weather and coastal zones
- Clean design for visible façades and decks
- Global approvals for compliance
The product list includes classic countersunk screws, full-thread connectors, coach screws, plate screws, drywall screws, self-drilling metal screws, and anchors for concrete. There are also spacers, washers, and specialist items for insulation and façades.
Key use cases for Rothoblaas screws
- Timber structures: CLT, glulam, LVL, and softwood or hardwood frames
- Metal connections: timber-to-metal and sheet-metal fixings
- Concrete: screw anchors for cracked and non-cracked concrete
- Decks and façades: clean, strong, weather-ready finish
- Plates and brackets: reliable plate screws for structural hardware
- Insulation: screws and washers for timber and masonry
Materials and coatings: pick the right protection
Rothoblaas screws come in:
- Electrogalvanised carbon steel: for dry, indoor use
- Carbon steel with protective coating: for standard outdoor use
- Stainless steel (A2, A4, HCR, AISI304, AISI316, AISI410): for high corrosion resistance, coastal zones, and chemically aggressive sites
Match the steel to service class, atmospheric corrosivity, and wood corrosivity to lengthen the life of your fixings.
Thread options: how thread choice affects performance
- Partial thread: pulls two members tight; ideal for timber-to-timber where clamping is needed
- Full thread: higher pull-out and slip resistance; ideal for reinforcement and where long embedment is required
- Double thread: useful for insulation, spacers, or where controlled stand-off is needed
Heads and drive types: think finish and function
- Countersunk: flush finish in timber (e.g., HBS, SCI)
- Flange head: higher head bearing for plates, brackets, and softwoods (e.g., TBS series)
- Cylindrical/pan/round head: for plates, visible fixings, and metalwork (e.g., VGZ, HBS Plate, LBS)
- Concealed head for façades: neat, low-visibility fixings (e.g., KKT, KKT COLOR)
Approvals and compliance: build with confidence
Rothoblaas lists approvals across major markets:
- CE (European Conformity)
- UKCA (UK Conformity Assessed)
- ICC/ES (USA Code Approval)
- Canada Code Approval
- Japan Code Approval
Check the specific product’s technical details for load data, fire notes, and installation guidance. For technical documents, visit Rothoblaas Technical Details.
Timber screws: the backbone of the range
- Countersunk screws (HBS family): a go-to for timber assemblies; choose HBS SOFTWOOD for softwoods and HBS HARDWOOD for denser species
- Fully threaded connectors (VGS, VGZ families): great for reinforcement, long embedment, and high-performance joints
- Small head screws (SHS): discreet face fixings where head size matters
- Washers and accessories (HUS, XYLOFON): improve bearing and separate timber layers where needed
Tip: For hardwoods, pick the hardwood variant (e.g., HBS HARDWOOD, VGZ HARDWOOD, LBS HARDWOOD) to reduce splitting and improve driving performance.
Screws for plates and brackets: crisp installation, steady loads
- HBS PLATE / LBS series: pan or round heads designed to seat well on steel plates and timber connectors
- EVO variants: updated drive, coating, or geometry for even better performance
- Frame and maxi options (e.g., TBS FRAME, TBS MAX): larger heads and bearing areas for frames and light-gauge steel plates
When fixing plates:
- Follow the connector’s layout and edge distances
- Use the specified diameter and length
- Consider flange or round heads for better bearing and reduced plate deformation
Self-drilling screws for metal: fast, clean, reliable
- Timber-to-metal (SBS, SPP): drill and fasten in one step, reducing labour and bit changes
- Metal-to-metal (SBN, SAR): sheet-to-sheet or sheet-to-structure with hex heads and sealing options
- Sheet metal screws and washers (MTS, MCS, WBAZ): neat weather-sealed finish on roofing and cladding
Look for A2 or A4 stainless where corrosion or water exposure is high, and use caps/washers with gaskets for weather sealing.
Concrete screw anchors: speed and strength on site
- SKR | SKS | SKP and EVO variants: screw anchors for concrete applications
- Choose by load class, cracked/non-cracked concrete, edge distances, and embedment depth
- Useful for base plates, angles, and temporary or removable fixings
Always verify the product’s ETA/ICC data for concrete condition, spacing, and fire performance.
Decks and façades: finish that lasts
- Façade screws (FAS A4 | AISI316, KKT/KKT COLOR): attractive heads, colour options, and high corrosion resistance for coastal façades
- Decking and exterior timber: choose stainless or high-grade coated screws; consider small or concealed heads for a clean look
- Insulation fastening: DGZ (double-thread), THERMOWASHER, ISULFIX for timber or brickwork substrates
Tip: In coastal or pool areas, prefer A4/316 stainless or HCR for long-term durability.
Special screws and systems that solve tricky details
- Spacers (DRS timber-to-timber, DRT wood-to-brickwork): create reliable standoffs without compression creep
- Insulation and stand-off (DGZ, THERMOWASHER, ISULFIX): fix insulation layers cleanly
- Reinforcement systems (RTR): strengthen timber elements against splitting or uplift
- Washers (VGU 45° washer for VGS): angle-specific bearing for inclined screws
- Drywall (DWS): purpose-built for plasterboard to timber or metal studs
Choosing the right Rothoblaas screws: a quick path
- Define the substrate:
- Timber (softwood/hardwood/engineered)
- Metal (thickness/gauge)
- Concrete (cracked/non-cracked)
- Masonry (brick/block)
- Set the environment:
- Indoors (dry)
- Outdoors (rain/splash)
- Coastal/industrial (high corrosion)
- Select the function:
- Structural connection
- Plate/bracket fixing
- Deck/façade finish
- Insulation stand-off
- Timber reinforcement
- Pick material and protection:
- Carbon steel (indoor)
- Coated carbon steel (general outdoor)
- A2/A4/HCR stainless (high corrosion)
- Choose head and thread:
- Countersunk for flush timber
- Flange/pan/round for plates and bearing
- Small/concealed for visible finishes
- Partial thread for clamping
- Full thread for high pull-out/reinforcement
- Confirm standards:
- Check CE/UKCA/ICC/Canada/Japan approvals as needed
- Review technical sheets for spacing, edge distances, and torque
Installation tips for best results
- Pre-drill in dense hardwoods to avoid splitting and reduce driving torque
- Use the correct bit/drive; keep bits in good condition
- Respect edge distances and spacing in technical data
- Drive speed: steady and controlled to protect coating and avoid over-torque
- For inclined screws, use guides or the specified washer for the correct angle
- Seal exterior fixings with proper gaskets/washers where weather exposure is high
Helpful Rothoblaas resources
- Full screws catalogue and product filters: Rothoblaas Screws
- Technical documents, data sheets, and details: Technical details
- Design tools and BIM: Software and BIM/CAD
- Training and events: Rothoschool
Final thoughts on Rothoblaas screws
Rothoblaas screws offer a deep, well-tested range for timber, metal, and concrete. With clear options in head, thread, steel grade, and approvals, it is easy to match the screw to the job. If you want strength, speed, and a clean finish, Rothoblaas is a safe, practical choice. Start by defining your substrate, environment, and function, then use the product filters to find the right screw. The right fastener helps you build better, faster, and with confidence.
Visit the full range here: Rothoblaas Screws.