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: Coolant Through, BT40 Taper, 60° - Coolant-Through BT Retention Knobs
TECHNIKSCoolant-Through BT Retention Knobs

TECHNIKS Retention Knob: Coolant Through, BT40 Taper, 60°

The TECHNIKS Retention Knob is a coolant-through BT retention knob designed for BT40 taper machines with a 60° angle and 15 mm diameter. This ISO-standard component, manufacturer part number 17820, facilitates…

SKU 3G-OTH-273000

Brand
TECHNIKS
Item
Retention Knob: Coolant Through, BT40 Taper, 60°
Category
Coolant-Through BT Retention Knobs
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

TECHNIKS
Manufacturer Part Number
17820
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

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

Product Description

The TECHNIKS Retention Knob is a coolant-through BT retention knob designed for BT40 taper machines with a 60° angle and 15 mm diameter. This ISO-standard component, manufacturer part number 17820, facilitates coolant delivery through the tool holder for improved machining operations.

Frequently Asked Questions

What is the TECHNIKS Retention Knob 17820 used for?

The TECHNIKS Retention Knob 17820 is used to secure BT40 taper tool holders in CNC machining spindles while allowing coolant to flow through the tool holder. It is ideal for high-pressure coolant applications in milling and turning centers, improving chip evacuation and tool life.

What are the specifications of the TECHNIKS Retention Knob 17820?

The TECHNIKS Retention Knob 17820 has a BT40 taper, 60° angle, and 15 mm diameter. It is an ISO-standard component with manufacturer part number 17820. The coolant-through design enables fluid delivery through the tool holder for enhanced machining performance.

Where to buy the TECHNIKS Retention Knob 17820 worldwide?

You can source the TECHNIKS Retention Knob 17820 from 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.

How to install a TECHNIKS coolant-through retention knob?

Install the TECHNIKS retention knob by threading it into the BT40 tool holder drawbar. Tighten to the manufacturer's recommended torque specification. Ensure the coolant passages are aligned and free of debris. Always follow the machine tool builder's instructions for proper seating and torque values.

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 coolant-through bt 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

Similar products

Matched by specification & description
TECHNIKS Retention Knob: Coolant Through, CAT40 Taper, 45°, 0.59 in Dia (MPN 21003-45C). Key specifications — attr1033406: TECHNIKS; attr1036358: ISO.
TECHNIKS
TECHNIKS Retention Knob: Coolant Through, CAT40 Taper, 45°, 0.59 in Dia (MPN 21003-45C). Key specifications — attr1033406: TECHNIKS; attr1036358: ISO.
TECHNIKS Retention Knob: Coolant Through, CAT50 Taper, 60°, 0.9 in Dia (MPN 21005-60C). Key specifications — attr1033406: TECHNIKS; attr1036358: ISO.
TECHNIKS
TECHNIKS Retention Knob: Coolant Through, CAT50 Taper, 60°, 0.9 in Dia (MPN 21005-60C). Key specifications — attr1033406: TECHNIKS; attr1036358: ISO.
TECHNIKS Retention Knob: Coolant Through, CAT40 Taper, 45°, 0.74 in Dia (MPN 21003-C). Key specifications — attr1033406: TECHNIKS; attr1036358: ANSI.
TECHNIKS
TECHNIKS Retention Knob: Coolant Through, CAT40 Taper, 45°, 0.74 in Dia (MPN 21003-C). Key specifications — attr1033406: TECHNIKS; attr1036358: ANSI.
TECHNIKS Retention Knob: Coolant Through, CAT50 Taper, 90°, 0.9 in Dia (MPN 21005-90C). Key specifications — attr1033406: TECHNIKS; attr1036358: ISO.
TECHNIKS
TECHNIKS Retention Knob: Coolant Through, CAT50 Taper, 90°, 0.9 in Dia (MPN 21005-90C). Key specifications — attr1033406: TECHNIKS; attr1036358: ISO.
TECHNIKS Retention Knob: Coolant Through, CAT50 Taper, 45°, 0.9 in Dia (MPN 21005-45C). Key specifications — attr1033406: TECHNIKS; attr1036358: ISO.
TECHNIKS
TECHNIKS Retention Knob: Coolant Through, CAT50 Taper, 45°, 0.9 in Dia (MPN 21005-45C). Key specifications — attr1033406: TECHNIKS; attr1036358: ISO.
TECHNIKS Retention Knob: Coolant Through, CAT40 Taper, 45°, 0.74 in Dia (MPN 17836). Key specifications — attr1033406: TECHNIKS; attr1036358: ANSI.
TECHNIKS
TECHNIKS Retention Knob: Coolant Through, CAT40 Taper, 45°, 0.74 in Dia (MPN 17836). Key specifications — attr1033406: TECHNIKS; attr1036358: ANSI.

More from TECHNIKS

View all TECHNIKS parts
TECHNIKS Retention Knob: Coolant Through, BT50 Taper, 60°, 23 mm Dia (MPN 17826). Key specifications — attr1033406: TECHNIKS.
TECHNIKS
TECHNIKS Retention Knob: Coolant Through, BT50 Taper, 60°, 23 mm Dia (MPN 17826). Key specifications — attr1033406: TECHNIKS.
TECHNIKS Retention Knob: Coolant Through, BT50 Taper, 90°, 23 mm Dia (MPN 17828). Key specifications — attr1033406: TECHNIKS.
TECHNIKS
TECHNIKS Retention Knob: Coolant Through, BT50 Taper, 90°, 23 mm Dia (MPN 17828). Key specifications — attr1033406: TECHNIKS.
TECHNIKS Retention Knob: Coolant Through, BT50 Taper, 45°, 23 mm Dia (MPN 17824). Key specifications — attr1033406: TECHNIKS.
TECHNIKS
TECHNIKS Retention Knob: Coolant Through, BT50 Taper, 45°, 23 mm Dia (MPN 17824). Key specifications — attr1033406: TECHNIKS.
TECHNIKS Retention Knob: Coolant Through, BT40 Taper, 45°, 15 mm Dia (MPN 17818). Key specifications — attr1033406: TECHNIKS.
TECHNIKS
TECHNIKS Retention Knob: Coolant Through, BT40 Taper, 45°, 15 mm Dia (MPN 17818). Key specifications — attr1033406: TECHNIKS.
TECHNIKS Retention Knob: Coolant Through, BT40 Taper, 90°, 15 mm Dia (MPN 17822). Key specifications — attr1033406: TECHNIKS.
TECHNIKS
TECHNIKS Retention Knob: Coolant Through, BT40 Taper, 90°, 15 mm Dia (MPN 17822). Key specifications — attr1033406: TECHNIKS.