Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 18,000 RPM Max. Speed - Air-Powered Straight Die Grinders
SPEEDAIREAir-Powered Straight Die Grinders

SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 18,000 RPM Max. Speed

The SPEEDAIRE Die Grinder is an air-powered straight die grinder designed for tool-only use. It delivers 0.5 hp with a maximum speed of 18,000 RPM and accepts a 1/4 in collet. This straight-tool configuration is…

SKU 3G-OTH-157833

Brand
SPEEDAIRE
Item
Die Grinder: Straight Tool, 0.5 hp Horsepower, 18,000 RPM Max. Speed
Category
Air-Powered Straight Die Grinders
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

SPEEDAIRE
Manufacturer Part Number
45YY21
Horsepower
0.5 hp
Max. Speed
18,000 RPM
Collet Size
1/4 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

SPEEDAIRE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SPEEDAIRE Die Grinder is an air-powered straight die grinder designed for tool-only use. It delivers 0.5 hp with a maximum speed of 18,000 RPM and accepts a 1/4 in collet. This straight-tool configuration is suited for precision grinding and finishing tasks.

Frequently Asked Questions

What is the SPEEDAIRE Die Grinder used for?

The SPEEDAIRE Die Grinder is used for precision grinding, deburring, and finishing in metalworking and fabrication. Its straight-tool design and 18,000 RPM maximum speed make it suitable for shaping, smoothing, and polishing surfaces in industrial maintenance and repair applications.

What are the specifications of the SPEEDAIRE Die Grinder?

The SPEEDAIRE Die Grinder (MPN 45YY21) is a straight, air-powered tool with 0.5 hp and a maximum speed of 18,000 RPM. It accepts a 1/4 in collet and is supplied as tool only. This model is designed for precision tasks in industrial environments.

Where to buy the SPEEDAIRE Die Grinder worldwide?

You can source the SPEEDAIRE Die Grinder through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this straight die grinder.

How to maintain the SPEEDAIRE Die Grinder?

To maintain the SPEEDAIRE Die Grinder, regularly lubricate the air motor with pneumatic tool oil before each use. Clean the collet and air inlet after operation, and inspect for wear. Follow generic best practices for air tools to ensure consistent performance and longevity.

Used in

Common applications for SPEEDAIRE
Manufacturing assembly lines — SPEEDAIRE compressed air filters (e.g., 4ZL49) for particulate removal in pneumatic tool supply
Air compressor maintenance — SPEEDAIRE Furnas to Condor P/S Kit (33MH82) for pressure switch conversion on reciprocating compressors
Pneumatic control systems — SPEEDAIRE check valves (810RC7) to prevent backflow in instrument air lines
Air tool repair — SPEEDAIRE internal gears (45P349) and O-rings (42VA60) for rebuilding impact wrenches and grinders
Heavy-duty industrial air preparation — SPEEDAIRE heavy-duty filters (4ZL12) with metal bowls for high-flow, high-pressure applications up to 250 psi
Air motor servicing — SPEEDAIRE repair kits (22XJ91) for maintaining pneumatic gearmotors in conveyor systems

SPEEDAIRE Products

3G Electric supplies SPEEDAIRE air-powered straight die grinders. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
SPEEDAIRE Die Grinder: Straight Tool, 0.4 hp Horsepower, 25,000 RPM Max. Speed, 1/4 in Collet Size (MPN 45YY22). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.4 hp Horsepower, 25,000 RPM Max. Speed, 1/4 in Collet Size (MPN 45YY22). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 22,000 RPM Max. Speed, 1/4 in Collet Size (MPN 21AA85). Key specifications — attr1320532: Straight; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 22,000 RPM Max. Speed, 1/4 in Collet Size (MPN 21AA85). Key specifications — attr1320532: Straight; attr1320526: SPEEDAIRE.
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 22,000 RPM Max. Speed, 1/4 in Collet Size (MPN 21AA86). Key specifications — attr1320532: Straight; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 22,000 RPM Max. Speed, 1/4 in Collet Size (MPN 21AA86). Key specifications — attr1320532: Straight; attr1320526: SPEEDAIRE.
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 22,000 RPM Max. Speed, 1/4 in Collet Size (MPN 21AA88). Key specifications — attr1320532: Straight; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 22,000 RPM Max. Speed, 1/4 in Collet Size (MPN 21AA88). Key specifications — attr1320532: Straight; attr1320526: SPEEDAIRE.
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 18,000 RPM Max. Speed, 1/4 in Collet Size (MPN 45NW67). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 18,000 RPM Max. Speed, 1/4 in Collet Size (MPN 45NW67). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE Die Grinder: Right Angle Tool, 0.4 hp Horsepower, 20,000 RPM Max. Speed, 6 in Overall Lg (MPN 45YY31). Key specifications — attr1320532: Right Angle; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Right Angle Tool, 0.4 hp Horsepower, 20,000 RPM Max. Speed, 6 in Overall Lg (MPN 45YY31). Key specifications — attr1320532: Right Angle; attr1320525: Tool Only; attr1320526: SPEEDAIRE.

More from SPEEDAIRE

View all SPEEDAIRE parts →
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 22,000 RPM Max. Speed, 1/4 in Collet Size (MPN 21AA87). Key specifications — attr1320532: Straight; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 22,000 RPM Max. Speed, 1/4 in Collet Size (MPN 21AA87). Key specifications — attr1320532: Straight; attr1320526: SPEEDAIRE.
SPEEDAIRE Die Grinder: Straight Tool, 0.3 hp Horsepower, 31,000 RPM Max. Speed, 1/4 in Collet Size (MPN 12V734). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.3 hp Horsepower, 31,000 RPM Max. Speed, 1/4 in Collet Size (MPN 12V734). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE Die Grinder: Straight Tool, 0.4 hp Horsepower, 26,000 RPM Max. Speed, 1/4 in Collet Size (MPN 12V736). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.4 hp Horsepower, 26,000 RPM Max. Speed, 1/4 in Collet Size (MPN 12V736). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 3,500 RPM Max. Speed, 1/4 in Collet Size (MPN 45YY19). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 3,500 RPM Max. Speed, 1/4 in Collet Size (MPN 45YY19). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE Die Grinder: Straight Tool, 0.25 hp Horsepower, 26,000 RPM Max. Speed, 1/4 in Collet Size (MPN 12V737). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.25 hp Horsepower, 26,000 RPM Max. Speed, 1/4 in Collet Size (MPN 12V737). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 22,000 RPM Max. Speed, 1/4 in Collet Size (MPN 48LZ99). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 22,000 RPM Max. Speed, 1/4 in Collet Size (MPN 48LZ99). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE Die Grinder: Straight Tool, 0.7 hp Horsepower, 18,000 RPM Max. Speed, 1/4 in Collet Size (MPN 21AA84). Key specifications — attr1320532: Straight; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.7 hp Horsepower, 18,000 RPM Max. Speed, 1/4 in Collet Size (MPN 21AA84). Key specifications — attr1320532: Straight; attr1320526: SPEEDAIRE.
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 18,000 RPM Max. Speed, 1/4 in Collet Size (MPN 45YY20). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.
SPEEDAIRE
SPEEDAIRE Die Grinder: Straight Tool, 0.5 hp Horsepower, 18,000 RPM Max. Speed, 1/4 in Collet Size (MPN 45YY20). Key specifications — attr1320532: Straight; attr1320525: Tool Only; attr1320526: SPEEDAIRE.