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AMANA TOOL 47224 PLUNGE 1/4 DIA UPPER BB 1/4SHK
Flush Trim Plunge Template Router Bits with Miniature Upper Ball
Bearing Guide New
2 Flute
Each Amana Tool exclusive miniature bit features a 3/16" & 1/4" diameter ball
bearing guide that is much smaller than other ball bearing router bits on the
market, making the bits ideal for delicate projects such as sign-making,
building musical instruments, routing letter edges, flush trimming and plunging
tight corners and confined areas and high production.
The miniature bearing router bits can be used on wood and plastics and come in a
variety of profiles including round over, chamfer, flush, bevel trim, rabbet and
plunge.
Amana Tool's miniature bearing router bits are uniquely designed with a ball
bearing at the bottom end of the bit except plunge bit assemblies which feature
an upper ball bearing. These miniature bits eliminate burnout caused by brass
pin-piloted bits. The cutting edge of each router bit is engineered from an
Amana-exclusive carbide grade designed to deliver the highest quality of cut,
maximum cutting efficiency prolonged tool life. The bits can fit into tight
spaces and sharp corners where a larger diameter bearing cannot, making it
easier for users to work on finely detailed work pieces that have intricate
contours, tight confines and narrow openings. The series' innovative design also
delivers a consistent edge that eliminates hand sanding or filing, thus saving
users time and labor.
|
D |
B |
d |
L |
Tool No. |
|
3/16 |
1/2 |
1/8 |
2 |
47220* |
|
3/16 |
1/2 |
1/4 |
2 |
47222* |
|
1/4 |
3/4 |
1/4 |
2-7/16 |
47224* |
ATTENTION!
*47220, 47222 & 47224 reduce RPM & Feed Rates (IPM) by 30-50% to prevent tool
breakage due to extremely small diameter (D). Bits are not guaranteed due to
extremely small diameter.
Replacement Parts
Ball Bearing: #47775 (O.D.=3/16", I.D.=3/32", Thickness=3/32")
Note: Please also refer to laser
etching on router bit shank for most updated RPM speed rating.
Max RPM Guide for Amana Tool® Router Bits
Do not exceed the maximum RPM shown for the particular tool you are using. Max
RPM for symmetrical tool only!
No exceda la maxima velocidad (RPM) indicada para cada herramienta.
Máximo RPM para la herramienta simétrica solamente!
|
Router Bit Dimensions |
Max RPM |
|
2" (Less than 50) |
28,000 |
|
2" - 2-3/8" (50-60mm) |
22,000 |
|
2-3/8" - 2-3/4" (60-70mm) |
19,000 |
|
2-3/4" - 3-1/4" (70-80mm) |
16,000 |
|
3-1/4" - 3-5/8" (80-90mm) |
15,000 |
|
3-5/8" < (90-100mm) |
13,000 |
Flush Trim
Template /Pattern Plunge Router Bits
2 Flute
This bit is
essentially a plunge-cutting straight with ashank-mounted ball-bearing pilot. It
is a versatile bit, useful fortemplate/pattern routing of parts, joints, and
internal cuts, and can be usedin handheld and table-mounted routers. The
template is attached to the workpiece,and the pilot bearing rides along its edge
as the cutting edges rout theworkpiece, forming an exact duplicate of the
template. With a handheld router,the pattern is on top of the work; with a
table-mounted router, the pattern isunderneath the work.
|
D |
B |
d |
L |
Replacement Bearing |
Replacement Collar |
Tool No. |
|
|
3/16 |
1/2 |
1/8 |
2 |
47775 |
--- |
47220* |
|
|
3/16 |
1/2 |
1/4 |
2 |
47775 |
--- |
47222* |
|
|
1/4 |
3/4 |
1/4 |
2-7/16 |
47723 |
--- |
47224* |
|
|
3/8 |
1/2 |
1/4 |
2 |
47751(2) |
47724 |
45475† |
|
|
3/8 |
1 |
1/2 |
3-1/4 |
47751 |
--- |
47226 |
|
|
1/2 |
3/8 |
1/4 |
2-1/4 |
47701 |
47724 |
45481** |
|
|
1/2 |
1/2 |
1/4 |
2 |
47701 |
47724 |
45487 |
|
|
1/2 |
3/4 |
1/4 |
2-1/4 |
47701 |
47724 |
45491 |
|
|
1/2 |
1 |
1/4 |
2-1/2 |
47701 |
47724 |
45460 |
|
|
1/2 |
1-1/4 |
1/4 |
2-3/4 |
47701 |
47724 |
45461 |
|
|
1/2 |
1-1/4 |
1/2 |
3-1/2 |
47701 |
--- |
47228 |
|
|
5/8 |
1 |
1/4 |
2-3/4 |
47712 |
47724 |
45462 |
|
|
5/8 |
1/2 |
1/4 |
2-1/4 |
47712 |
47724 |
45482 |
|
|
5/8 |
3/4 |
1/4 |
2-1/2 |
47712 |
47724 |
45483 |
|
|
3/4 |
3/4 |
1/4 |
2-3/8 |
47714 |
47724 |
45485 |
|
|
3/4 |
1 |
1/4 |
2-1/2 |
47714 |
47724 |
45464 |
|
|
7/8 |
1 |
3/8 |
2-5/8 |
47741 |
47730 |
45499 |
|
|
1 |
1 |
3/8 |
2-7/8 |
47722 |
47730 |
45466 |
|
|
3/4 |
1 |
1/2 |
3 |
47721 |
47739 |
45463 |
|
|
3/4 |
1-1/4 |
1/2 |
3-1/4 |
47721 |
47739 |
45360+ |
|
|
3/4 |
1-1/2 |
1/2 |
3-1/2 |
47721 |
47739 |
45362+ |
|
|
3/4 |
1-3/4 |
1/2 |
3-3/4 |
47721 |
47739 |
45465 |
|
|
3/4 |
2 |
1/2 |
4 |
47721 |
47739 |
45364+ |
|
|
20! |
1 |
1-3/4 |
1/2 |
3-3/4 |
47754 |
47739 |
45467 |
|
1-1/8 |
1 |
1/2 |
3 |
47738 |
47740 |
45550 |
|
|
20! |
1-1/8 |
1-1/2 |
1/2 |
3-1/2 |
47738 |
47740 |
45468 |
|
1-1/8 |
2 |
1/2 |
4 |
47738 |
47740 |
45551 |
Warning: Maximum RPM 20!
= 20,000
ATTENTION!
*47220, 47222 &
47224 reduce RPM & Feed Rates (IPM) by 30-50% to prevent tool breakage due to
extremely small diameter (D). Bits are not guaranteed due to extremely small
diameter.
** For use on
hardwood and flooring medallions.
† Double Bearing
+DownShear Angle
- The shear angle cuts faster, cleaner and lasts longer than straight angle
because of the chip removal speed.
We recommend using
shear angle in most instances especially where large diameters are used.
| Availability | In Stock |
|---|---|
| Manufacturer | AMANA TOOL |
| Manufacturer Sku | 47224 |













