How long is the overall length of the mandrel?

Thank you for contacting Dremel, The overall length of the 402 mandrel is 11/8" Almost 1-1/2" Adrian Customer Experience Support 800-437-3635

what is the diameter of the screw, IOW what size hole does the disc need ?

Hole diameter = .076 Screw head dia. = .176

Do these have/are they supposed to have 2 little red washers? Although my Dremel mandrel doesn't have any, looks like most others I've seen have them?

I have seen them both ways. Mine does not have the washers. Works fine

Will this fit the B&D RTX-B or is it only for Dremel tools?

I have a blue hawk rotary tool & it fits it fine. So if your buying something that fits a Dremel, it will fit another rotary like the Dremel

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402 Mandrel, Silver

Product ID: 317082004

Details

Brand
Dremel
Material
Alloy Steel
Item Diameter
0.13 Inches
Item Weight
0.2 Ounces
Compatible Devices
Drilling Lathe

⚡Hand Powered

📏10.16 cm length

⚙️Alloy Steel

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Description

🔧 Elevate Your DIY Game with Dremel Precision!

GLOBAL TRUST - Manufactured by Dremel, a leader in power tools.
USER FRIENDLY - Includes an instruction guide for effortless setup.
COMPACT DESIGN - Lightweight at just 5.66 g, perfect for easy handling.
PRECISION ENGINEERING - Crafted from durable alloy steel for long-lasting performance.
VERSATILE COMPATIBILITY - Designed to work seamlessly with various discs and wheels.

The Dremel 402 Mandrel is a high-quality, hand-powered tool accessory designed for use with discs and wheels. Made from durable alloy steel, it features a screw-like head for secure attachment and is lightweight for easy maneuverability. Perfect for both professionals and DIY enthusiasts, this mandrel is a must-have for precision tasks.

Specifications

Manufacturer	Dremel
Part number	402
Item Weight	5.66 g
Product Dimensions	10.16 x 5.08 x 0.51 cm; 5.67 g
Item model number	402
Size	Pack of 1
Color	DimGray
Material	Alloy Steel
Power source type	Hand Powered
Item Package Quantity	1
Measurement System	Metric
Included components	Unit^Instruction Guide
Batteries Included?	No
Batteries Required?	No

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to Bermuda.

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