Tinvhy 3/4 Inch R8 Shank Shell Mill Arbor Adapter Replacement For Bridgeport Machine With 7/16 Inch 20 UNF Drawbar Thread
Why you'll like it
- High Accuracy — Traverse-ground shank and face ensure minimal tool run-out and optimum precision.
- Maximum Concentricity — Hardened and ground throughout to support stable, precise cutting operations.
- Direct Compatibility — Engineered to fit standard Bridgeport-type milling machines with a 7/16-20 UNF drawbar thread.
- Rigid Mounting — Designed to handle heavy side loads during face-milling and slotting applications.
Product details
Description
The Tinvhy 3/4 Inch R8 Shank Shell Mill Arbor Adapter is an essential tooling accessory engineered specifically for Bridgeport-type milling and CNC knee machines. Designed to hold face mills, shell end mills, saws, and small cutters securely, this adapter delivers exceptional rigidity during heavy milling operations.
It features a robust hardened and ground steel construction throughout, which guarantees maximum concentricity and significantly reduces tool run-out for superior cutting accuracy. The shank is traverse-ground to obtain optimum precision and drops directly into standard R8 spindle tapers without the need for extra conversion collets.
Ideal for machinists, industrial workshops, and precision manufacturing setups seeking reliable performance and durable construction.
How to use
- Insert the R8 taper shank directly into the spindle of your Bridgeport-type milling machine.
- Secure the adapter in place using the standard 7/16-20 UNF drawbar thread.
- Mount your compatible 3/4-inch bore shell end mill or cutter onto the arbor and tighten securely before operating the machine.
Ingredients
Hardened alloy steel with precision-ground chrome finish
As printed by the brand. Check the pack label if you have an allergy.
Specifications
| Brand | TINVHY |
|---|---|
| EAN | 6903036849978 |
| Ships from | USA (sourced directly), checked in Navi Mumbai |
| Sold by | Dropy.in |
Ratings & reviews
From our customers
FAQs
What machines is this arbor adapter compatible with?
It is specifically designed as a direct replacement for standard Bridgeport-type knee mills and other milling machines utilizing an R8 spindle taper and a 7/16-20 UNF drawbar thread.
What size shell end mills fit this arbor adapter?
This adapter features a 3/4-inch pilot diameter and is ideal for holding shell end mills typically ranging from 1-3/4 to 2 inches in cutting diameter with a matching 3/4-inch bore.
Does this adapter help reduce tool run-out?
Yes, it is hardened and ground throughout with a traverse-ground shank to ensure maximum concentricity and prevent unwanted run-out during cutting operations.
Are these imported USA products authentic when buying from Dropy India?
Yes, we confirm that all products available on Dropy India are 100% authentic USA imports, sourced directly from trusted American suppliers and delivered right to your doorstep.
What material is the arbor adapter made from?
The adapter is manufactured from heavy-duty hardened steel with a protective chrome finish designed to withstand rigorous workshop usage.
How long will delivery take?
Most orders arrive in 15–20 days: we source each product directly from the USA, check it at our Navi Mumbai warehouse and pack it on video. Items marked Dropy Express ship from our India warehouse and arrive in 3–5 days.
Is cash on delivery available?
Full cash on delivery is available all over India on Dropy Express items. For other orders from ₹2,499 to ₹15,000 you can use Partial COD: pay 25% online now and the rest in cash on delivery.
Are your products genuine?
Yes. Every product is 100% authentic, sourced directly from the USA, quality-checked and packed on video at our Navi Mumbai warehouse.
What if my order arrives damaged or wrong?
Write to us at [email protected] as soon as it arrives. Damaged, wrong or not as described, our Buyer Protection gives you a full refund. The details are in our Return, Refund & Cancellation Policy.
Is delivery free?
Delivery is free on orders from ₹1,499. Below that a ₹79 delivery fee applies.