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Husqvarna 327RDX brushcutter housing screw size

M6 · 20 mm long

Husqvarna 327RDX brushcutter housing takes M6 metric screws, 20 mm long.

Where it is used: OEM Husqvarna 725237071 hex screw M6S 6x20.

This entry is marked confirmed and comes from ereplacementparts.com.

M6 means a 6 mm nominal diameter with a 1 mm thread pitch. Imperial look-alike: 1/4in-20 (6.35 mm) — the tripod/camera thread; visibly larger than M6.

Husqvarna 327RDX brushcutter housing 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.

ThreadLengthPitchHeadDriveWhere it goesStatus
M620 mm1 mmnot statednot statedOEM Husqvarna 725237071 hex screw M6S 6x20Confirmed

Fitment records and sources

M620mmconfirmed

OEM Husqvarna 725237071 hex screw M6S 6x20

pitch 1 mm · tap 5 mm · clearance 6.6 mm · PH3 / Torx T30

How to check the screw before you buy

  1. Check the strength class stamped on the head (8.8, 10.9, A2-70) and replace like for like.
  2. Diameter: across the threads an M6 screw measures about 6 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
  3. Pitch: 1 mm from one thread crest to the next (10 crests per centimetre). A thread pitch gauge or the pitch-gauge tool settles it in seconds.
  4. Length: measure from under the head to the tip for pan, button, wafer and cap heads; countersunk (flat) heads are measured overall.
  5. The record states 20 mm. Going longer risks bottoming out or touching parts behind the hole; going shorter loses thread engagement.
  6. Driver: the source does not name the drive. Standard M6 heads take PH3 for Phillips and T30 for Torx, and a 5 mm hex key for socket heads; a bit that fits loosely will cam out and strip the head.
  7. Tightening: no device-specific torque is published in these records. The site's general figure for M6 is about 7-10 N·m into metal threads and 2.5-4.0 N·m into plastic bosses; snug it up and stop.

Pitch gauge · Screw size finder · Torque guide

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Questions about Husqvarna 327RDX brushcutter housing screws

What size screw does Husqvarna 327RDX brushcutter housing use?
M6 × 20 mm for OEM Husqvarna 725237071 hex screw M6S 6x20.
How long are the screws in Husqvarna 327RDX brushcutter housing?
The record gives 20 mm. Measure the original from under the head (overall for a countersunk head) to confirm before ordering.
What is the thread pitch of an M6 screw?
1 mm (coarse), which is the standard pitch for M6 machine screws; a 0.75 mm fine pitch exists but is uncommon. The tap drill is 5 mm and the normal clearance hole is 6.6 mm.
What screwdriver do I need for Husqvarna 327RDX brushcutter housing?
The sources do not name the drive. For M6, Phillips heads normally take PH3 and Torx heads T30; socket heads take a 5 mm hex key.
Can I use an imperial screw instead of M6?
No. Imperial look-alike: 1/4in-20 (6.35 mm) — the tripod/camera thread; visibly larger than M6. Use a true M6 screw so it does not cross-thread or strip the hole.