Allen & Heath ZED mixer rack ear kit AP7956 screw size
M3 / M4 · 8 mm long
Our records put Allen & Heath ZED mixer rack ear kit AP7956 on M3 and M4 screws, 8 mm long.
There are 2 separate fitment records for it, including kit contents: 4x M3x8 pan Torx screws and M3 Nyloc nuts (M3) and kit contents: 8x M4x8 pan Torx screws and M4 Nyloc nuts (M4).
Head and drive, as the sources state them: pan head and Torx drive.
2 of the 2 records are marked confirmed, drawn from 1 source (allen-heath.com).
An M3 screw is 3 mm in diameter with a 0.5 mm pitch, tapped with a 2.5 mm drill; imperial look-alike: #5-40 (3.18 mm) or #4-40 — neither interchanges with M3.
Allen & Heath ZED mixer rack ear kit AP7956 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 |
|---|---|---|---|---|---|---|
| M3 | 8 mm | 0.5 mm | Pan head | Torx | Kit contents: 4x M3x8 pan Torx screws and M3 Nyloc nuts | Confirmed |
| M4 | 8 mm | 0.7 mm | Pan head | Torx | Kit contents: 8x M4x8 pan Torx screws and M4 Nyloc nuts | Confirmed |
Fitment records and sources
Kit contents: 4x M3x8 pan Torx screws and M3 Nyloc nuts
pitch 0.5 mm · tap 2.5 mm · clearance 3.4 mm · PH1 / Torx T10
Kit contents: 8x M4x8 pan Torx screws and M4 Nyloc nuts
pitch 0.7 mm · tap 3.3 mm · clearance 4.5 mm · PH2 / Torx T20
How to check the screw before you buy
- Rack and enclosure hardware mixes metric and imperial (#8-32, #10-32, #6-32), so confirm the thread before forcing a screw.
- Diameter: across the threads an M3 screw measures about 3 mm with calipers (usually a hair under). This device also uses M4, so measure each screw rather than assuming they match.
- Pitch: 0.5 mm from one thread crest to the next (20 crests per centimetre). A thread pitch gauge or the pitch-gauge tool settles it in seconds.
- Length: for pan head screws, measure from under the head to the tip (countersunk heads are the exception: they are measured overall).
- The record states 8 mm. Going longer risks bottoming out or touching parts behind the hole; going shorter loses thread engagement.
- Driver: the source names a Torx drive. For comparison, standard M3 heads take PH1 (Phillips) or T10 (Torx), or a 2.5 mm hex key.
- Tightening: no device-specific torque is published in these records. The site's general figure for M3 is about 80-130 N·cm into metal threads and 35-60 N·cm into plastic bosses; snug it up and stop.
Common mix-ups with M3 / M4
- 2020 extrusion T-nuts come in M3/M4/M5 and are not interchangeable — M3 is accessory-only, M5 is structural.
- M3 (3.0mm, 0.5mm pitch) is not #6-32 UNC (~3.5mm) — they look identical and cross-thread, the single most common PC-building mistake.
- Some rackmount KVM switch kits pair M4x10 bracket-to-rack screws with M3.2x4.5 bracket-to-chassis screws (non-standard M3.2, not a true M3), so kits are not fully interchangeable with generic M3/M4 hardware.
- M4 and 6-32 UNC share a nominal diameter with different pitch — a classic cross-thread in US-market kits.
Buy these screws at TechSpare Warehouse
In stock and shipped from South Carolina. Our black screws are Phillips wafer head (low profile); match the head style and length to the original before you order.
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M3 x 8mm Phillips Flat Head Countersunk Machine Screws Zinc Silver 10-Pack for RC & 3D Printers
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More in Electronics, Racks & Enclosures
The same screw also fits
Devices whose records share a thread with Allen & Heath ZED mixer rack ear kit AP7956, closest length match first.
- Linksys WRT54G2 router also M3 × 8 mm
- Tommy Car Wash Tunnel Controller (TPA3140.6) control cabinet terminal wiring also M4 × 8 mm
- GCX Barcode Scanner Adapter mounting kit also M3 × 8 mm
- cab Applicator A3200 print-and-apply labeling system (packaging line hardware) also M3 × 8 mm
- Rack blanking panels and front handles also M3 × 8 mm
- Linksys E7350 router also M3 × 8 mm
- Philips IntelliVue FMS mounting bracket also M4 × 8 mm
- Car interior trim and dash panel screws also M3 × 8 mm
Questions about Allen & Heath ZED mixer rack ear kit AP7956 screws
- What size screw does Allen & Heath ZED mixer rack ear kit AP7956 use?
- M3 × 8 mm for kit contents: 4x M3x8 pan Torx screws and M3 Nyloc nuts; M4 × 8 mm for kit contents: 8x M4x8 pan Torx screws and M4 Nyloc nuts.
- How long are the screws in Allen & Heath ZED mixer rack ear kit AP7956?
- The record gives 8 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
- What is the thread pitch of an M3 screw?
- 0.5 mm (coarse), which is the standard pitch for M3 machine screws; a 0.35 mm fine pitch exists but is uncommon. The tap drill is 2.5 mm and the normal clearance hole is 3.4 mm.
- What screwdriver do I need for Allen & Heath ZED mixer rack ear kit AP7956?
- The source lists a Torx drive. Standard M3 heads otherwise take PH1 (Phillips) or T10 (Torx), or a 2.5 mm hex key.
- Can I use an imperial screw instead of M3?
- No. Imperial look-alike: #5-40 (3.18 mm) or #4-40 — neither interchanges with M3. Use a true M3 screw so it does not cross-thread or strip the hole.
- Where can I buy replacement screws for Allen & Heath ZED mixer rack ear kit AP7956?
- TechSpareWarehouse (our own store) lists M3 x 8mm, which matches the length in the records above.