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

TECHNIKS Retention Knob: CAT50 Taper, 60° - CAT Retention Knobs
TECHNIKSCAT Retention Knobs

TECHNIKS Retention Knob: CAT50 Taper, 60°

The TECHNIKS Retention Knob is a CAT50 taper retention knob with a 60° angle and 0.9-inch diameter, designed for use in CAT tooling systems. This MAS-standard component, manufacturer part number 21005-60, is produced…

SKU 3G-OTH-265336

Also listed as: 2100560 · 21005 60

Brand
TECHNIKS
Item
Retention Knob: CAT50 Taper, 60°
Category
CAT Retention Knobs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

TECHNIKS
Manufacturer Part Number
21005-60

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

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

Product Description

The TECHNIKS Retention Knob is a CAT50 taper retention knob with a 60° angle and 0.9-inch diameter, designed for use in CAT tooling systems. This MAS-standard component, manufacturer part number 21005-60, is produced by TECHNIKS.

Frequently Asked Questions

What is the TECHNIKS Retention Knob 21005-60 used for?

The TECHNIKS Retention Knob 21005-60 is used to secure CAT50 taper tool holders in CNC machine spindles. It is a MAS-standard component with a 60° angle and 0.9-inch diameter, ensuring proper retention and release in automatic tool changers for industrial machining operations.

What are the specifications of the TECHNIKS Retention Knob 21005-60?

The TECHNIKS Retention Knob 21005-60 has a CAT50 taper, a 60° angle, and a 0.9-inch diameter. It is manufactured by TECHNIKS under part number 21005-60 and conforms to the MAS standard. This knob is designed for use in CAT tooling systems for CNC machines.

Where to buy the TECHNIKS Retention Knob 21005-60 worldwide?

You can source the TECHNIKS Retention Knob 21005-60 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this MAS-standard CAT50 retention knob.

How to select the correct TECHNIKS retention knob for a CAT50 spindle?

To select the correct TECHNIKS retention knob for a CAT50 spindle, verify the taper size (CAT50), angle (60°), and diameter (0.9 in). Ensure the knob meets the MAS standard and matches your machine's drawbar specifications. TECHNIKS part number 21005-60 is a common choice for standard CAT50 applications.

Used in

Common applications for TECHNIKS
CNC milling — TECHNIKS BT40 end mill holders with coolant-through-spindle for high-speed machining of steel and aluminum.
High-pressure coolant machining — TECHNIKS sealed ER20 coolant collets for deep-hole drilling and chip evacuation in aerospace components.
Precision tool holding — TECHNIKS standard ER32 collets for holding drills and reamers in automated lathe operations.
Heavy-duty milling — TECHNIKS TG150 collets for clamping large-diameter tools in roughing operations on cast iron.
Coolant-through-spindle applications — TECHNIKS plug-style ER40 coolant collets for delivering coolant to the cutting edge in multi-axis machining centers.

TECHNIKS Products

3G Electric supplies TECHNIKS cat retention knobs. 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
TECHNIKS Retention Knob: CAT50 Taper, 90°, 0.9 in Dia (MPN 21005-90)
TECHNIKS
TECHNIKS Retention Knob: CAT50 Taper, 90°, 0.9 in Dia (MPN 21005-90)
TECHNIKS Retention Knob: CAT40 Taper, 90°, 0.59 in Dia (MPN 21003-90)
TECHNIKS
TECHNIKS Retention Knob: CAT40 Taper, 90°, 0.59 in Dia (MPN 21003-90)
TECHNIKS Retention Knob: BT50 Taper, 60°, 23 mm Dia (MPN 17810)
TECHNIKS
TECHNIKS Retention Knob: BT50 Taper, 60°, 23 mm Dia (MPN 17810)
TECHNIKS Retention Knob: BT50 Taper, 90°, 23 mm Dia (MPN 17816)
TECHNIKS
TECHNIKS Retention Knob: BT50 Taper, 90°, 23 mm Dia (MPN 17816)

More from TECHNIKS

View all TECHNIKS parts
TECHNIKS Retention Knob: CAT50 Taper, 45°, 0.9 in Dia (MPN 21005-45)
TECHNIKS
TECHNIKS Retention Knob: CAT50 Taper, 45°, 0.9 in Dia (MPN 21005-45)
TECHNIKS Retention Knob: CAT40 Taper, 15°, 0.75 in Dia (MPN 21007-15)
TECHNIKS
TECHNIKS Retention Knob: CAT40 Taper, 15°, 0.75 in Dia (MPN 21007-15)
TECHNIKS Retention Knob: CAT50 Taper, 45°, 1.14 in Dia (MPN 21005)
TECHNIKS
TECHNIKS Retention Knob: CAT50 Taper, 45°, 1.14 in Dia (MPN 21005)
TECHNIKS Retention Knob: CAT40 Taper, 15°, 0.75 in Dia (MPN 21006-15)
TECHNIKS
TECHNIKS Retention Knob: CAT40 Taper, 15°, 0.75 in Dia (MPN 21006-15)
TECHNIKS Retention Knob: CAT50 Taper, 15°, 1.1 in Dia (MPN 21008-15)
TECHNIKS
TECHNIKS Retention Knob: CAT50 Taper, 15°, 1.1 in Dia (MPN 21008-15)
TECHNIKS Retention Knob: CAT40 Taper, 45°, 0.59 in Dia (MPN 21003-45)
TECHNIKS
TECHNIKS Retention Knob: CAT40 Taper, 45°, 0.59 in Dia (MPN 21003-45)
TECHNIKS Retention Knob: CAT40 Taper, 60°, 0.59 in Dia (MPN 21003-60)
TECHNIKS
TECHNIKS Retention Knob: CAT40 Taper, 60°, 0.59 in Dia (MPN 21003-60)
TECHNIKS Retention Knob: CAT40 Taper, 45°, 0.74 in Dia (MPN 21003)
TECHNIKS
TECHNIKS Retention Knob: CAT40 Taper, 45°, 0.74 in Dia (MPN 21003)