Hatches need to have a functional doors for sweeping and maintenance of the chimney, a thin steel plate with self tapping screws WILL NOT LAST! If your chimney does not have a flexible flue liner. The removable 'U' shape section around the flue is only available with bespoke plates and must be requetsed for on ordering and is used for easier installation around a fix flue pipe.
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M3 M4 M5 M6 M8 8/10/16/20/30/40/50-150 316 Stainless Steel Metric Thread DIN933 External Outside Hex Hexagon Head CAP Screw Bolt
Aliexpress UK
【Versatile Thread Checker】: This thread checker quickly identifies 28 different sizes of nuts and bolts, making it a handy tool for any tool box. 【Quality Construction】: Made from durable aluminum alloy, this thread checker is built to last with clear scale markings and accurate bolt and nut sizes.
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M2 M2.5 M3 M4 M5 M6 M8 304 Stainless Steel Tamper-Proof Torx Security Cup Head Screws Hex Socket Flower Head Cylindrical Bolts
Aliexpress UK
Machine screw kit. Box of 405 pcs. Various mixed sizes. 8 diffrent sizes in total.
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10Sets M5 T Bolt Screw and Hexagon Flange Nuts Nickel Plated for 20 Series European Standard T-Slot Aluminum Profile
Aliexpress UK
Multifunctional Wrench Adjustable Tool. Adjustable dual-purpose wrench with a working range from 3–17 mm. 1 × Multifunctional Wrench. Place the wrench over the nut or bolt. Strong grip reduces hand strain.
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NINDEJIN Hexagon Socket Ultra Thin Low Head Screw Stainless Steel M2 M2.5 M3 M4 M5 M6 M8 CM Flat Allen Wafer Head Screw Bolt
Aliexpress UK
These are all BA (British Association screws) made from solid brass and made in the UK.
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Grade 8.8 Carbon Steel M6 M8 M10 M12 T Shape Screw T- Slot Rail Track Rectangle Hammer Head Bolts
Aliexpress UK
M8 / 8mm SQUARE CARRIAGE BOLT COACH SCREW. - M8 Square carriage bolt Zinc. - M8 Hexagonal Zinc Nut. - M8 Flat Zinc Washer. Carriage bolts are extensively used in security fixings, where the bolt must only be removable from one side.
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Plastic Nylon Bolt Threaded Rods Bars Studding M4 M5 M6 M8 M10 M12 M16 M20 M22 M24 M27 M30 M36 M40
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HIGH QUALITY SELF LUBE BEARINGS. 2 BOLT FLANGE STANDARD DUTY BEARING.
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5/10/50pcs M1.4 M1.6 M2 M2.5 M3 M4 M5 M6 A2-70 304 Stainless Steel CM Six-Lobe Torx Flat Countersunk Head Screw Bolt GB2673
Aliexpress UK
1 x Thread Gauge Checker.
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100/50sets Wholesale Self-Tapping Screws Metal Expansion Screw Cross for Concrete Wall Anchors Hardware Fasteners Bolts Kits
Aliexpress UK