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Set of 60 Shims 0.10-0.20-0.50mm diameter 3 mm - Retro Arms

12.50

Tax included

The Set of 60 Stainless Steel Shims by RetroArms is every airsoft mechanical tuner's dream! Designed for gears with a 3 mm shaft, these high-quality stainless steel shims feature a revolutionary detail: the thickness is laser-etched on each individual washer. No more confusion on the workbench! The set includes 20 pieces for each size (0.1, 0.2 and 0.5 mm), guaranteeing you have all the arsenal you need to achieve millimeter-perfect shimming, reduce friction and drastically extend the life of your gearbox.

Size Guide

This is an approximate conversion table to help you find your size. If you have already purchased an item from our brand, we recommend you select the same size indicated on its label.

Men's Sizes

International	XS	S	M	L	XL	XXL	XXXL
Europe	32	34	36	38	40	42	44
US	0	2	4	6	8	10	12
Chest Circumference (inches)	33-35"	36-38"	39-41"	42-44"	45-47"	48-50"	51-53"
Chest Circumference (cm)	84-89	91-97	98-104	107-112	114-119	122-127	129-134
Waist Circumference (inches)	28"	30"	32"	34"	36"	38"	40"
Waist circumference (cm)	71	76	81	86	91.5	96.5	101.5

LOWA FOOTWEAR SIZE CHART

SIZE SELECTION:

THE SIZES IN THE DROP-DOWN MENU ARE UK SIZES (ENGLISH)

conversion chart: UK size - (IT size) - size in mm

Size 6.5 (40) 257mm

Size 7 (40 3/4) 262mm

Size 7.5 (41.5) 266mm

Size 8 (42) 270mm

Size 8.5 (42.5) 274mm

Size 9 (43 1/4) 278mm

Size 9.5 (44) 283mm

Size 10 (44.5) 287mm

Size 10.5 (45) 291mm

Size 11 (46) 295mm

Size 11.5 (46.5) 300mm

Size 12 (47) 304mm

Size 12.5 (48) 308mm

Size 13 (48.5) 312mm

NEED ADVICE ON CHOOSING A SIZE?

Take one of your sneakers and look at the size in mm or cm, look at the diagram above to see what it corresponds to and order your size!

e.g., your sneaker is 27.2 cm long? Great, the closest and most correct size will be: "TG 8.5 (42.5) 274mm", in the purchase menu select size 8.5UK!

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Description
Product Details

The Art of Perfect Shimming:
One of the main causes of breakage, premature wear and that annoying mechanical "squeal" in replicas (even brand new ones) is inadequate shimming. Perfectly aligning the gears inside the gearbox eliminates axial play, reduces friction on the bearings and makes the mechanics incredibly smooth and quiet. With this massive 60-piece set provided by RetroArms, you'll have maximum freedom of action to achieve perfect tolerances on your AEG's mechanics.

The Laser Etching Revolution:
Anyone who has ever shimmed a gearbox knows the drama: a shim falls on the table, gets mixed up with the others, and you have to pick up the digital caliper to figure out if it was a 0.1 or a 0.2 mm. RetroArms has solved this problem at the root by laser-etching the exact measurement directly onto the face of each individual stainless steel shim. A seemingly simple innovation, but one that halves the working time and eliminates frustrations on the bench!

Main Advantages

Etched Measurements: Laser-printed values on each washer for immediate identification at a glance.
Stainless Steel: Premium, non-deformable and wear-resistant material, ideal for High Speed or High Torque builds.
Micro-Adjustments: Thanks to the 20 pieces of 0.1 mm, you can make very fine adjustments for a perfect fit.
Massive Stock: 60 pieces total (20 per size) to shim multiple gearboxes without ever running dry.

Technical Specifications

Manufacturer: RetroArms
Shaft Compatibility: 3 mm (Standard for AEG gears)
Material: Stainless Steel
Markings: Laser etching of the thickness on each piece
Total Quantity: 60 Shims

Package Contents

20x 0.1 mm Stainless Steel Shims
20x 0.2 mm Stainless Steel Shims
20x 0.5 mm Stainless Steel Shims

Pro Maintenance Tips

Organization First: The laser etching genius will save your life, but order on the workbench is everything! When disassembling a gearbox, we advise you to write down on a sheet how many shims (and of what size) you are putting under and over each individual gear (bevel gear, spur gear, sector gear). If you have to reopen everything to do a test, you will know exactly how to recreate your setup!

The Importance of 0.1 mm: Don't underestimate the 0.1 mm shims! When you think the gear is spinning well but you feel it has a very slight "play" (wobbles) if you push the shaft with your finger, it is that tenth of a millimeter shim that will make the difference between an "ok" job and a shimming job worthy of a true custom master.

No "Sandwich" Shims on the Bearing: Make sure that the diameter of the shim rests only on the inner race of the ball bearing (or bushing) and does not rub on the outer part or on the gearbox shell. RetroArms steel is very precise, but if your gearbox has hollowed or deformed bushings, always check that the gear rotates freely with a touch of your finger with the shells closed (and screwed!).