AQ81SC 102mm Surface Bolt Satin Chrome
In stock
Delivery Information
| Delivery Time Frame | Delivery Information |
| Next Working Day By 1PM | When an order is placed by 3pm for next working day on certain items |
| Standard Delivery | Usually delivered in 2 to 4 working days |
| Delivery Charges | |
| UK Mainland | Prices start at £3.95 for very small items, £6.50 for small, £9.50 for medium and £20 for large/long items |
| Scottish Highlands & Islands, Northern Ireland & Ireland | Prices from £30, please see our delivery page for more info. |
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Description
Reliable Secondary Security with the AQ81SC 102mm Surface Bolt Satin Chrome
Securing internal doors, utility cupboards, and privacy spaces often presents practical challenges for property owners. Standard barrel bolts can feel loose, rattle in their housings, or fail to engage securely when door frames shift slightly over time. Lightweight hardware often bends under pressure, while basic round pins can slip out of position if a door experiences natural timber movement or light vibrations. Finding a durable, tidy surface fitting that delivers dependable restraint without requiring complex morticing is essential for both domestic and light commercial environments.
The AQ81SC 102mm Surface Bolt Satin Chrome provides an elegant and robust solution to these common hardware headaches. Engineered with a substantial flat sliding bar rather than a flimsy wire pin, this fitting disperses physical resistance evenly across the body. Its compact 102mm by 36mm profile allows it to fit neatly onto narrow door stiles, perimeter frames, and access panels without dominating the visual style of your woodwork.
Designed for straightforward surface mounting, this bolt solves alignment troubles by incorporating a generous 25mm throw alongside versatile keep plates. Whether you are outfitting a busy residential home or upgrading privacy hardware across an office suite, the unit combines dependable mechanical performance with a crisp architectural finish that remains fresh for years to come.
Step by Step Engineering and Installation Pipeline
Stage 1: Precision Surface Alignment
Begin by positioning the main casing against the door face at your chosen operating height. The flat backplate sits flush against timber faces, allowing you to pencil your fixing points accurately while checking clearance for the 25mm bolt projection toward the adjacent frame.
Stage 2: Strike Plate Configuration
Select the appropriate strike plate from the supplied packet to suit your inward or outward opening arrangement. The choice of keeps ensures that whether the door pulls inward toward the room or pushes outward into a passage, the bolt shoots cleanly into secure metal housing.
Stage 3: Secure Fixings Installation
Pilot drill the marked holes to prevent hardwood or softwood from splitting during assembly. Drive the matching countersunk wood screws firmly into place, securing the casing tightly to prevent twisting or mechanical deflection when the bolt handle is thrown under pressure.
Stage 4: Positive Mechanism Testing
Slide the bolt across its travel path to test the integral spring and ball bearing mechanism. You will feel a crisp, tactile click as the flat bar engages fully, ensuring the bolt remains locked in position without creeping open from vibration or casual movement.
Key Features and Practical Benefits
The AQ81SC 102mm Surface Bolt Satin Chrome incorporates smart design considerations that set it apart from basic domestic hardware. The flat profile barrel distributes forces across a wider contact surface, providing much higher physical resistance against forced entry or accidental knocking compared to narrow cylindrical rods.
- Internal Ball and Spring Mechanism: Holds the bolt securely in either the extended or retracted position, preventing annoying rattles and stopping the bolt from falling closed on upright doors.
- Flexible Strike Options: Packaged with dedicated keeps suitable for both inward and outward opening doors, removing guesswork during on-site installation.
- Substantial Throw: The 25mm sliding projection ensures deep penetration into the strike, maintaining security even if timber doors shrink slightly during winter heating.
- Refined Satin Chrome Finish: Offers a modern brushed look that resists fingerprint marks and coordinates seamlessly with contemporary architectural ironmongery.
- Ten Year Mechanical Guarantee: Gives homeowners, specifiers, and facilities managers genuine peace of mind regarding long term durability and craftsmanship.
Because it is surface mounted, fitting requires no extensive joinery morticing into the door edge. This makes it an ideal option for retrofitting existing properties or installing additional security on lightweight core doors where deep routing could compromise structural integrity.
Detailed Specifications
| Specification | Rating or Standard | Practical Details |
|---|---|---|
| Product Code | AQ81SC | Surface mounted auxiliary door security bolt |
| Casing Dimensions | 102mm x 36mm | Compact body suitable for residential and commercial stiles |
| Bolt Throw | 25mm | Deep engagement into strike plate to resist forced displacement |
| Mechanism Type | Ball and Spring | Integral detent provides positive tactile positioning when thrown |
| Slide Profile | Flat Sliding Bar | Offers superior physical resistance over traditional cylindrical pins |
| Finish | Satin Chrome | Smooth brushed appearance designed to match modern door hardware |
| Fixings | Fixing Pack Included | Supplied with colour matched wood screws and dual strike keeps |
| Mechanical Warranty | 10 Year Guarantee | Manufacturer warranty covering mechanical internal components |
Care and Routine Maintenance
To keep your satin chrome hardware looking pristine, simple routine care is all that is required. Wipe the exterior body and shoot bar periodically using a soft dry cloth to remove dust, lint, and general surface grime. Avoid using abrasive cream cleaners, scouring pads, or harsh chemical detergents, as these can wear down the satin plated surface over time.
For enhanced lustre and added environmental protection, you can lightly apply a good quality non-abrasive wax polish. Applying a tiny drop of light machine oil to the internal spring and ball channel once a year will maintain silky smooth operation throughout the life of the unit.
Need Expert Guidance on Door Hardware?
If you are unsure whether the AQ81SC surface bolt meets your exact door thickness, frame clearance, or project specifications, our experienced architectural hardware specialists are here to assist you.
Contact Our TeamSpecification
| Manufacturer | Carlisle Brass |
|---|---|
| Finish | Satin Chrome |
| Dimensions | 102mm |
| Guarantee | 10 Year (Mechanical) |

