What size screw does Waters Arc HPLC oven bracket screw use?

M3 × 10 mm for part WAT081265, Screw M3 x 10 sems.

How long are the screws in Waters Arc HPLC oven bracket screw?

The record gives 10 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 Waters Arc HPLC oven bracket screw?

The sources do not name the drive. For M3, Phillips heads normally take PH1 and Torx heads T10; socket heads take 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 Waters Arc HPLC oven bracket screw?

TechSpareWarehouse (our own store) lists M3 x 10mm, which matches the length in the records above.

Waters Arc HPLC oven bracket screw screw size

M3 · 10 mm long

Our records put Waters Arc HPLC oven bracket screw on M3 screws, 10 mm long.

Where it is used: part WAT081265, Screw M3 x 10 sems.

This entry is marked confirmed and comes from support.waters.com.

For reference, M3 is 3 mm across the threads at 0.5 mm pitch. The imperial size people confuse it with: #5-40 (3.18 mm) or #4-40 — neither interchanges with M3.

Waters Arc HPLC oven bracket 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
M3	10 mm	0.5 mm	not stated	not stated	Part WAT081265, Screw M3 x 10 sems	Confirmed

Fitment records and sources

M310mmconfirmed

Part WAT081265, Screw M3 x 10 sems

pitch 0.5 mm · tap 2.5 mm · clearance 3.4 mm · PH1 / Torx T10

Source

How to check the screw before you buy

Frame and motor screws must not reach the motor windings; check the length against the motor's mounting depth.
Diameter: across the threads an M3 screw measures about 3 mm with calipers (usually a hair under). If yours measures noticeably more or less, it is a different thread.
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: measure from under the head to the tip for pan, button, wafer and cap heads; countersunk (flat) heads are measured overall.
The record states 10 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 M3 heads take PH1 for Phillips and T10 for Torx, and a 2.5 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 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

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.

Pitch gauge · Screw size finder · Torque guide

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.

M3 x 10mm Phillips Wafer Head Screw for Sim Racing Wheel Paddle Shifter - Single Replacement Black $0.10 each · min. 50
M3 x 10mm Phillips Wafer Head Screw for RC Car/Truck Chassis Mount - Single Replacement Black $0.10 each · min. 50
M3 x 10mm Phillips Wafer Head Screw for 3D Printer Frame Assembly - Single Replacement Black $0.10 each · min. 50

More in Drones, RC & Gimbals

1/10 scale RC cars 1/8 scale RC car chassis hardware 3D-printed FPV stack mounts and spacers 5-inch brushless motor to arm Airsoft V2 / EHPA gearbox shells ALware Quad Flyer Spider 500 quadcopter kit Antique wall clock pendulum brackets Arcade marquee retainers ARRMA Senton (and similar 1/10 vehicles)ARRMA Senton/kingpin-equipped vehicles Axial Racing crawler/buggy kits Axial SCX10 III RC crawler chassis

Browse all 144 in Drones, RC & Gimbals →

The same screw also fits

Devices whose records share a thread with Waters Arc HPLC oven bracket screw, closest length match first.

1/10 scale RC cars also M3 × 10 mm
Nerf blaster thumbscrews (mid sizes) also M3 × 10 mm
TBS Source One V3 / HD FPV frame also M3 × 10 mm
RC brushless motor mounts also M3 × 10 mm
FPV flight controller stack 30.5x30.5mm also M3 × 10 mm
FPV carbon frame arms and standoffs also M3 × 10 mm
FPV flight-controller / ESC stacks also M3 × 10 mm
Drone frame arms also M3 × 10 mm

Questions about Waters Arc HPLC oven bracket screw screws

What size screw does Waters Arc HPLC oven bracket screw use?: M3 × 10 mm for part WAT081265, Screw M3 x 10 sems.
How long are the screws in Waters Arc HPLC oven bracket screw?: The record gives 10 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 Waters Arc HPLC oven bracket screw?: The sources do not name the drive. For M3, Phillips heads normally take PH1 and Torx heads T10; socket heads take 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 Waters Arc HPLC oven bracket screw?: TechSpareWarehouse (our own store) lists M3 x 10mm, which matches the length in the records above.

Heads up: shipping delay