Black Plastic Inspection Hatch 170mm OD 140mm Cutout 6-20007
6-20007
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Black Plastic Inspection Hatch 170mm OD 140mm Cutout 6-20007
Round bayonet-access cover for lockers and service openings
A black round plastic inspection hatch with a bayonet-style closure, intended to provide removable access to lockers, voids and service points. Its critical installation dimensions are a 170 mm outside flange diameter and a 140 mm cut-out.
Key Features
- Bayonet-style removable cover
- Black moulded plastic construction
- 170 mm overall outside diameter
- 140 mm nominal cut-out diameter
- Suitable for new installations or dimension-matched replacement
Technical Specs
| Colour | Black |
| Outside diameter | 170 mm |
| Required cut-out | 140 mm nominal |
| Closure | Bayonet |
| Shape | Round |
| 4Boats SKU | 6-20007 |
Compatibility / Fitment Guide
Direct fit criteria: a flat mounting surface, nominal 140 mm circular cut-out, enough room for the hatch body behind the panel and a 170 mm flange that fully covers the opening and old fixing marks. For replacement, also compare screw-hole positions and flange depth; outside diameter alone does not guarantee a match.
Application limits: suitable as an access hatch for lockers and service voids where this size and material are appropriate. No pressure, immersion or certified watertight rating is stated, so do not use it for fuel tanks, pressurised enclosures or a location requiring a rated escape/deck hatch. Seal and fasteners must suit the substrate and exposure.
Part Number Cross Reference
| 4Boats / Aquafax | 6-20007 |
| Variant | Black |
| Nominal size reference | 170 mm OD / 140 mm cut-out |
Frequently Asked Questions
Is the mounting hole 170 mm?
No. The outside flange is 170 mm; the nominal cut-out is 140 mm.
Is a white hatch supplied?
No. The active variant in this listing is black.
Is it guaranteed watertight?
No certified watertight or immersion rating is stated.
Can it replace another 170 mm hatch?
Only if the 140 mm cut-out, body depth, flange coverage and fixing pattern also match.
Important: Dry-fit before drilling. Use bedding compound and corrosion-resistant fasteners compatible with the deck/panel material and intended exposure.
For the products under £150 the shipping is £6.99.
Free delivery for most items over £150.
