A door fitting kit designed to produce accurate, stable mortises for wooden doors, the GQGP Door Lock Mortiser Kit helps make lock installation quicker and more reliable. Confidence for DIYers and tradespeople comes from secure alignment and a lengthened anti-slip mat that prevents the jig wandering. Is it the right jig for regular door lock work?
⚡ At a Glance
- • Cutting Precision: Tungsten steel cutters combined with a removable sliding bearing produce clean, well-aligned mortises.
- • Best for: DIY enthusiasts and carpenters installing or modifying locks on wooden doors.
- • Not ideal for: Metal doors or wooden doors outside the 25–90mm thickness range.
Fits wooden doors between 25 and 90mm thick, with a maximum groove depth of 140mm and length of 240mm. Adjustable guides, height and depth stops plus an anti-slip mat work together to reduce movement and improve accuracy.
Precise mortises, with adjustable vertical guides
Two slides adjust via a pair of 7-shaped universal screws to keep grooves vertical, while a removable sliding bearing between the positioning ring and bearing seat reduces friction. Vertical guides include height and depth stops to prevent overrun cutting.
Accurate alignment results in clean, square mortises with minimal chipping. Repeated fittings stay consistent thanks to stable guidance and reduced play.
Versatile lock work, with three cutter sizes and wide door compatibility
Three M10 cutters are included in 18mm, 22mm and 25mm sizes, designed specifically for wooden doors. The jig supports door thicknesses from 25mm up to 90mm, with maximum groove depth 140mm and groove length 240mm.
Create new lock holes, adapt eccentric locks or retrofit fingerprint and password locks without changing tools. The range of cutter sizes handles common latch and deadbolt preparations.
Easy operation and portability, with anti-slip mat and full kit contents
A lengthened, widened anti-slip mat (45 x 34cm) anchors the guide rail with a fixed screw to prevent shaking, while the kit includes spanners, a ruler, a wood chisel and a plastic suitcase. Gross weight listed at 11lb (5kg) for transport.
Setup is straightforward and stays put while cutting, improving safety and speed. Everything needed for a single-door job is packed together for workshop or on-site use.
✨ The 4 Key Reasons for GQGP Door Lock Mortiser Kit
- Tungsten steel cutters - Maintain sharp edges for precise, clean mortises on wood
- Adjustable vertical guides - Keep grooves vertical and aligned during repetitive drilling tasks
- Lengthened anti-slip mat - Prevents guide rail movement for steadier cuts and safer operation
- Comprehensive kit contents - Includes cutters, spanners, ruler and chisel for immediate use
📋 Technical Details at a Glance
- Category: Home Improvement - Door lock mortiser kit
- Brand: GQGP
- Applicable door thickness: 25-90mm
- Maximum groove depth: 140mm
- Maximum groove length: 240mm
❓ Frequently Asked Questions
Q: What door thicknesses does it support?
A: Fits wooden doors with thickness between 25mm and 90mm.
Q: Are the cutters durable enough for wooden doors?
A: Tungsten steel alloy cutter heads are described as having high hardness and sharpness and are not easy to wear, specifically intended for use on wooden doors.
Q: What is included in the kit?
A: The kit includes the jig, three M10 cutters (18mm, 22mm, 25mm), two spanners, a ruler, a wood chisel and a plastic suitcase, plus a lengthened anti-slip mat and removable sliding bearing.
🏆 Our Verdict
The GQGP Door Lock Mortiser Kit suits DIYers and professional carpenters who need accurate, repeatable lock installations on wooden doors. Adjustable guides, tungsten cutters and an anti-slip mat combine to deliver aligned, clean mortises and safer operation. Although upfront cost varies, robust cutter material and the complete kit contents make it a sensible long-term investment for frequent lock work.
