SKU: BUS-108

Infinity Tools T-Bushings For 1-1/4" Bore Shaper Cutters, 3-Pc. Sets

Q: What outside diameter are these bushings?

All of these T-bushings have a 1-1/4" outside diameter (O.D.) to fit 1-1/4" bore shaper cutters.

Q: Which set reduces to a 1" spindle?

Choose BUS-107 , a 2-Pc. T-bushing plus 1-Pc. straight bushing in 1" x 1-1/4", designed for item 84-041.

Q: Is there a metric option?

Yes. BUS-110 includes a 2-Pc. 30mm x 1-1/4" T-bushing plus a 1-Pc. 30mm x 1-1/4" straight bushing for metric spindles.

Q: How many pieces come in a set?

Each of these sets includes three pieces: two T-bushings and one straight middle bushing.

Q: Who makes these T-bushings?

They are made by Infinity Cutting Tools . Explore related router base plates and bushings.

$19.90

Inside Diameter

3/4" 1" 30mm

Description Reviews Q&A

Infinity bushings and T-bushings are designed to adapt larger-bore shaper cutters to smaller spindles. These T-Bushings feature a top and bottom "T" with a straight piece in the middle for when you have a taller cutter stack. These T-Bushings all have an 1-1/4" Outside Diameter (O.D.)

Item BUS-108 is specifically designed for Infinity Tools Insert Pro Interior & Exterior Door Making sets, found here.

BUS-107 2-Pc. T-Bushing 1" x 1-1/4" + 1-Pc. Straight Bushing 1" x 1-1/4" for 84-041
BUS-108 2-Pc. T-Bushing 3/4" x 1-1/4" + 1-Pc. Straight Bushing 3/4" x 1-1/4" for 84-051 through 84-055
BUS-110 2-Pc. T-Bushing 30mm x 1-1/4" + 1 Pc. Straight Bushing 30mm x 1-1/4"

Frequently Asked Questions

What is the difference between the 2-piece and 3-piece T-bushing sets?

The 3-piece sets add a straight middle bushing between the two T-flanges, which supports a taller cutter stack. The 2-piece sets are for shorter, single cutters. Browse more router accessories.

What outside diameter are these bushings?

All of these T-bushings have a 1-1/4" outside diameter (O.D.) to fit 1-1/4" bore shaper cutters.

Which set works with Insert Pro door-making cutters?

BUS-108 is specifically designed for Infinity Tools Insert Pro Interior & Exterior Door Making sets, covering items 84-051 through 84-055. Shop the matching Insert Pro shaper cutters.

Which set reduces to a 1" spindle?

Choose BUS-107, a 2-Pc. T-bushing plus 1-Pc. straight bushing in 1" x 1-1/4", designed for item 84-041.

Is there a metric option?

Yes. BUS-110 includes a 2-Pc. 30mm x 1-1/4" T-bushing plus a 1-Pc. 30mm x 1-1/4" straight bushing for metric spindles.

How many pieces come in a set?

Each of these sets includes three pieces: two T-bushings and one straight middle bushing.

What does the straight middle bushing do?

It bridges the gap between the two T-flanges so a taller cutter stack stays centered and supported on a smaller spindle.

What cutters do these fit?

They fit 1-1/4" bore shaper cutters. They are ideal for Insert Pro shaper cutters used in door-making applications.

Who makes these T-bushings?

They are made by Infinity Cutting Tools. Explore related router base plates and bushings.

How do I choose the right 3-piece set?

Match the bushing's inside diameter to your spindle and the item number to your cutter set: BUS-107 for 84-041, BUS-108 for 84-051 through 84-055, or BUS-110 for a 30mm spindle. See more router accessories.

Infinity Tools T-Bushings For 1-1/4" Bore Shaper Cutters, 3-Pc. Sets