Mercury Marine outboard motor component screw screw size
M5 · 16 mm long
Mercury Marine outboard motor component screw takes M5 metric screws, 16 mm long.
Where it is used: OEM marine parts listing explicitly titled "MERCURY M5x16 screw 40056107", sold as a genuine Mercury outboard/boat spare part.
This entry is marked confirmed and comes from piecesbateaux.com.
M5 means a 5 mm nominal diameter with a 0.8 mm thread pitch. Imperial look-alike: #10-32 (4.83 mm) — the other common rack thread; check before mixing.
Mercury Marine outboard motor component screw screw specifications
One row per fitment record. Head, drive are shown only where the source states them; pitch is the ISO coarse pitch for the thread.
| Thread | Length | Pitch | Head | Drive | Where it goes | Status |
|---|---|---|---|---|---|---|
| M5 | 16 mm | 0.8 mm | not stated | not stated | OEM marine parts listing explicitly titled "MERCURY M5x16 screw 40056107", sold as a genuine Mercury outboard/boat spare part | Confirmed |
Fitment records and sources
OEM marine parts listing explicitly titled "MERCURY M5x16 screw 40056107", sold as a genuine Mercury outboard/boat spare part
pitch 0.8 mm · tap 4.2 mm · clearance 5.5 mm · PH2 / Torx T25
How to check the screw before you buy
- VESA holes are threaded inserts in the back cover; if a screw stops early, back it out rather than forcing it, because a bottomed-out screw can crack the panel housing.
- Diameter: across the threads an M5 screw measures about 5 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
- Pitch: 0.8 mm from one thread crest to the next (12.5 crests per centimetre). A thread pitch gauge or the pitch-gauge tool settles it in seconds.
- Length: measure from under the head to the tip for pan, button, wafer and cap heads; countersunk (flat) heads are measured overall.
- The record states 16 mm. Going longer risks bottoming out or touching parts behind the hole; going shorter loses thread engagement.
- Driver: the source does not name the drive. Standard M5 heads take PH2 for Phillips and T25 for Torx, and a 4 mm hex key for socket heads; a bit that fits loosely will cam out and strip the head.
- Tightening: no device-specific torque is published in these records. The site's general figure for M5 is about 4.0-6.0 N·m into metal threads and 1.5-2.5 N·m into plastic bosses; snug it up and stop.
Common mix-ups with M5
- The 'GoPro thread' is M5-0.8, a de facto standard on third-party mounts, and is not the imperial 1/4-20 tripod thread.
- Inductive proximity sensors are sold by barrel thread (M5, M8, M12...) — the barrel is the thread, not a separate mounting screw.
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Devices whose records share a thread with Mercury Marine outboard motor component screw, closest length match first.
- Stage light yoke brackets also M5 × 16 mm
- Raymarine Alpha Series Display Mast Bracket also M5 × 16 mm
- Panasonic TC-L55DT60 also M5 × 16 mm
- ATV plastics and fenders also M5 × 16 mm
- Raymarine Axiom 7/9/12 multifunction display also M5 × 16 mm
- Arcade cabinet CRT monitor chassis mount (Nintendo/table & upright cabinets) also M5 × 16 mm
- Track lighting heads also M5 × 16 mm
- Atdec Telehook TH-2250-VF display wall mount also M5 × 16 mm
Questions about Mercury Marine outboard motor component screw screws
- What size screw does Mercury Marine outboard motor component screw use?
- M5 × 16 mm for OEM marine parts listing explicitly titled "MERCURY M5x16 screw 40056107", sold as a genuine Mercury outboard/boat spare part.
- How long are the screws in Mercury Marine outboard motor component screw?
- The record gives 16 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
- What is the thread pitch of an M5 screw?
- 0.8 mm (coarse), which is the standard pitch for M5 machine screws; a 0.5 mm fine pitch exists but is uncommon. The tap drill is 4.2 mm and the normal clearance hole is 5.5 mm.
- What screwdriver do I need for Mercury Marine outboard motor component screw?
- The sources do not name the drive. For M5, Phillips heads normally take PH2 and Torx heads T25; socket heads take a 4 mm hex key.
- Can I use an imperial screw instead of M5?
- No. Imperial look-alike: #10-32 (4.83 mm) — the other common rack thread; check before mixing. Use a true M5 screw so it does not cross-thread or strip the hole.