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  • BT40-ER25-100L
  • BT40-ER25-100L
  • BT40-ER25-100L
BT40-ER25-100L

BT40-ER25-100L

Brand: TOOLFARM

The BT40-ER25-100L is a high-precision industrial tool holder designed for CNC and Vertical Machining Centre (VMC) machines.The BT40-ER25-100L tool holder is engineered to balance high clamping force with minimal vibration. Here is everything you need to know about its engineering features, how it operates, and critical maintenance rules. .

₹2200.00

₹2200.00

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product details

Taper Standard: BT40 (MAS 403 taper standard)
Collet Series: ER25 (Clamping capacity from 1 mm to 16 mm)
Gauge Length (L): 100 mm (Projection distance from spindle face)
Retention Knob Thread: M16 x 2.0
Outer Diameter: 42 mm (ER25 Nut diameter).

The Taper Body (BT40): The large conical upper half. It sits directly inside the machine spindle to provide rigid, concentric surface-to-surface contact.
The Collet Cavity (ER25): The hollow internal cone at the bottom. This is where the spring collet sits and collapses around the cutting tool.
The Nut (ER25 UM): The outer threaded ring. When tightened with a spanner wrench, it forces the collet deep into the taper, gripping the drill or endmill tightly.
Key Technical Parameters
1. Runout Accuracy (T.I.R.)
Runout refers to how perfectly centered the tool rotates. If the tool wobbles even slightly, it ruins the finish and breaks the drill bit.
Standard Holders: Offer a runout accuracy under 0.005 mm (5 microns).
High-Precision Holders: Achieve under 0.003 mm (3 microns) for micro-machining.
2. Runout Length Impact
The 100L (100mm) length is a mid-range reach.
The Trade-off: Shorter holders (like 70L) are more rigid. Longer holders (100L) allow you to reach deep cavities or pockets inside a workpiece but are slightly more prone to deflection under heavy loads.
3. Coolant Delivery Type
Depending on the model variant you buy, it handles cooling in different ways:
Form A: Solid body (External coolant sprayed via external machine nozzles).
Form AD+B: Dual-way coolant. It allows coolant to flow through the ce

SHIPPING AND DELIVERY
  • We are committed to providing fast shipping for all orders, with a goal of shipping within 48 hours of receiving them. In fact, in most cases, we are able to offer same-day shipping to ensure you receive your order as soon as possible.
  • Our standard shipping method is via Blue Dart, Shree Maruti, DTDC, Trackon, Delhivery, which typically takes 3-5 business days for delivery.
  • You will receive a shipping confirmation email with tracking information once your order has been shipped.
  • Please note that delivery times may vary depending on your location and any unforeseen circumstances beyond our control.
  • If you have any questions or concerns about your order's shipping or delivery status, please contact us at +91-70033 06384.
WARRANTY AND GURANTEE
  • Our machine tools comes with a warranty and guarantee against manufacturing defects.
  • The warranty and guarantee is only valid if the tool has not been used and the defect is not the result of misuse, neglect, or normal wear and tear.
  • The warranty and guarantee period is 15 days, starting from the date of purchase.
  • If you encounter a manufacturing defect during the warranty and guarantee period, please contact us +91-70033 06384 to initiate a warranty claim.
  • We will repair or replace the defective product at no cost to you, provided that the defect is covered by the warranty and guarantee terms and conditions.
  • Our warranty and guarantee does not cover any incidental or consequential damages that may arise from the use of the product.
  • By purchasing our machine tools, you agree to the terms and conditions of our warranty and guarantee.

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