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Corner Rounding Router Bits with Ball Bearing Guide

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Corner Rounding Router Bits with Ball Bearing Guide

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Price:
$19.39 - $177.15


Amana Tool corner rounding router bits in stock ready to ship today. We have a large selection of industrial quality carbide tipped router bits available.

2 Flute & 4 Flute 
The router bits found on this page include the miniature 3/16" and 1/4" diameter ball bearings for routing tight spaces, the In-Tech™ insert replacement knife series, diamond tipped (PCD) bits as well as the standard 1/2" diameter ball bearings. 

The basic edge-forming bit, the corner-rounding bit rounds an edge to a given radius. The tool is shouldered to cut a fillet. The cut can be used to ease edges, as a simple profile, or as a part of a complex one. Also known as roundover, rounding over, and quarter-round. If a smaller pilot bearing is used, a second shoulder can be produced, in effect making the bit a beading bit.

Tool #DRB-504 is excellent for composite panels, fiberglass, fiberglass PCB board, fiberglass reinforced composites, lightweight composites, custom composite materials, fiber-reinforced urethane and fiber-reinforced structural foam floors.
 

 

Choose Your Corner Rounding Router Bits with Ball Bearing Guide

D R B d Replacement
Bearing
D1 Ball
Bearing
Flute Description L Brand Tool No. image Our Price Ready to Buy?
D R B d Replacement
Bearing
D1 Ball
Bearing
Flute Description L Brand Tool No. image Our Price Ready to Buy?
0.31255/16 0.06251/16 0.31255/16 0.251/4 4777547775 (Mini) 0- 0Lower 22 0.1875Mini 3/16 Dia. Ball Bearing 1.81251-13/16 0Amana Tool MRR108 $37.50
$28.13
0.3753/8 0.093753/32 0.3753/8 0.251/4 4777547775 (Mini) 0- 0Lower 22 0.1875Mini 3/16 Dia. Ball Bearing 1.81251-13/16 0Amana Tool MR0110 $37.50
$28.13
0.43757/16 0.1251/8 0.3753/8 0.251/4 4777547775 (Mini) 0- 0Lower 22 0.1875Mini 3/16 Dia. Ball Bearing 1.81251-13/16 0Amana Tool MR0112 $37.50
$28.13
0.51/2 0.156255/32 0.3753/8 0.251/4 4777547775 (Mini) 0- 0Lower 22 0.1875Mini 3/16 Dia. Ball Bearing 1.81251-13/16 0Amana Tool MR0114 $38.60
$28.95
0.6255/8 0.06251/16 0.31255/16 0.251/4 4770647706 0.51/2 0Lower 22 0- 1.751-3/4 0Amana Tool 49492 $26.80
$20.10
0.6255/8 0.06251/16 0.31255/16 0.251/4 4770647706 0- 0Lower 22 0- 1.751-3/4 0Timberline 320-06 $27.85
$19.50
0.6255/8 0.06251/16 0.31255/16 0.51/2 4770647706 0.51/2 0Lower 22 0- 2.252-1/4 0Amana Tool 49494 $26.80
$20.10
0.753/4 0.1251/8 0.3753/8 0.251/4 4770647706 0.51/2 0Lower 22 0- 22 0Amana Tool 49496 $28.10
$21.08
0.753/4 0.1251/8 0.3753/8 0.251/4 4770647706 0- 0Lower 22 0- 22 0Timberline 320-10 $27.70
$19.39
0.753/4 0.1251/8 0.3753/8 0.51/2 4770647706 0.51/2 0Lower 22 0- 2.31252-5/16 0Amana Tool 49498 $28.10
$21.08
0.753/4 0.1251/8 0.3753/8 0.51/2 4770647706 0- 0Lower 22 0- 2.31252-5/16 0Timberline 320-46 $28.95
$20.27
0.753/4 0.156255/32 0.3753/8 0.51/2 4770647706 0.51/2 0Lower 22 0- 2.252-1/4 0Amana Tool 49501 $45.65
$34.24
0.753/4 0.251/4 0.51/2 0.251/4 4772347723 0.251/4 0Lower 22 0.251/4 Dia. Ball Bearing 1.8751-7/8 0Amana Tool 49505 $41.60
$31.20
0.812513/16 0.156255/32 0.3753/8 0.251/4 4770647706 0.51/2 0Lower 22 0- 22 0Amana Tool 49499 $29.80
$22.35
0.812513/16 0.18753/16 0.3753/8 0.251/4 4770647706 0- 0Lower 22 0- 22 0Timberline 320-48 $29.05
$20.34
0.8757/8 0.18753/16 0.51/2 0.251/4 4770647706 0.51/2 0Lower 22 0- 22 0Amana Tool 49500 $29.80
$22.35
0.8757/8 0.18753/16 0.51/2 0.251/4 4770647706 0- 0Lower 22 0- 22 0Timberline 320-14 $27.90
$19.53
0.8757/8 0.18753/16 0.51/2 0.51/2 4770647706 0.51/2 0Lower 22 0- 2.43752-7/16 0Amana Tool 49502 $29.80
$22.35
0.8757/8 0.18753/16 0.51/2 0.51/2 4770647706 0- 0Lower 22 0- 2.43752-7/16 0Timberline 320-50 $27.95
$19.57
0.8757/8 0.251/4 0.51/2 0.251/4 4770447704 0.3753/8 0Lower 22 0.3753/8 Dia. Ball Bearing 1.31251-5/16 0Amana Tool 49527 $41.60
$31.20
11 0.1251/8 0.3753/8 0.251/4 4770647706 0.51/2 0Lower 22 268Repl. Knives: RCK-268 (2) 2.18752-3/16 0Amana Tool RC-49496 $45.10
$33.83
11 0.251/4 0.51/2 0.251/4 4770647706 0.51/2 0Lower 22 0- 22 0Amana Tool 49504 $29.90
$22.43
11 0.251/4 0.51/2 0.251/4 4770647706 0- 0Lower 22 0- 22 0Timberline 320-18 $28.25
$19.78
11 0.251/4 0.51/2 0.251/4 4770647706 0.51/2 0Lower 22 0Polycrystalline Diamond (PCD) Tipped 2.06252-1/16 0Amana Tool DRB-504 $151.05
$135.95
11 0.251/4 0.51/2 0.251/4 4770647706 0.51/2 0Lower 22 0Repl. Knives: RCK-272(2) 2.06252-1/16 0Amana Tool RC-49504 $45.75
$34.31
11 0.251/4 0.51/2 0.51/2 4770647706 0.51/2 0Lower 22 0- 2.43752-7/16 0Amana Tool 49506 $29.90
$22.43
11 0.251/4 0.51/2 0.51/2 4770647706 0- 0Lower 22 0- 2.43752-7/16 0Timberline 320-22 $28.25
$19.78
11 0.3753/8 0.6255/8 0.251/4 4772347723 0.251/4 0Lower 22 0.251/4 Dia. Ball Bearing 22 0Amana Tool 49511 $43.55
$32.66
1.1251-1/8 0.251/4 0.43757/16 0.51/2 47701**47712 or 47701 0.6255/8 0Lower 44 0*4 Flute Design 2.56252-9/16 0Amana Tool 49541 $52.95
$39.71
1.1251-1/8 0.3753/8 0.6255/8 0.251/4 4770447704 0.3753/8 0Lower 22 0.3753/8 Dia. Ball Bearing 2.1252-1/8 0Amana Tool 49531 $43.55
$32.66
1.1251-1/8 0.31255/16 0.51/2 0.251/4 4770647706 0.51/2 0Lower 22 0- 2.06252-1/16 0Amana Tool 49508 $29.90
$22.43
1.1251-1/8 0.31255/16 0.51/2 0.251/4 4770647706 0- 0Lower 22 0- 2.06252-1/16 0Timberline 320-20 $28.15
$19.71
1.1251-1/8 0.31255/16 0.51/2 0.51/2 4770647706 0.51/2 0Lower 22 0- 2.43752-7/16 0Amana Tool 49510 $29.90
$22.43
1.1251-1/8 0.31255/16 0.51/2 0.51/2 4770647706 0- 0Lower 22 0- 2.43752-7/16 0Timberline 320-52 $29.85
$20.90
1.251-1/4 0.3753/8 0.6255/8 0.251/4 4770647706 0.51/2 0Lower 22 0- 2.18752-3/16 0Amana Tool 49512 $33.60
$25.20
1.251-1/4 0.3753/8 0.6255/8 0.251/4 4770647706 0- 0Lower 22 0- 2.18752-3/16 0Timberline 320-26 $29.20
$20.44
1.251-1/4 0.3753/8 0.6255/8 0.51/2 4770647706 0.51/2 0Lower 22 0- 2.56252-9/16 0Amana Tool 49514 $33.60
$25.20
1.251-1/4 0.3753/8 0.6255/8 0.51/2 4770647706 0- 0Lower 22 0- 2.56252-9/16 0Timberline 320-30 $29.20
$20.44
1.3751-3/8 0.3753/8 0.6255/8 0.51/2 47701**47712 or 47701 0.6255/8 0Lower 44 0*4 Flute Design 2.68752-11/16 0Amana Tool 49543 $56.20
$42.15
1.3751-3/8 0.43757/16 0.6255/8 0.51/2 4770647706 0.51/2 0Lower 22 0- 2.56252-9/16 0Amana Tool 49515 $72.10
$54.08
1.6251-5/8 0.51/2 0.687511/16 0.51/2 47701**47712 or 47701 0.6255/8 0- 44 0*4 Flute Design 2.752-3/4 0Amana Tool 49545 $62.95
$47.21
1.6251-5/8 0.56259/16 0.753/4 0.51/2 4770647706 0.51/2 0Lower 22 0- 2.6252-5/8 0Amana Tool 49517 $72.95
$54.71
1.51-1/2 0.51/2 0.753/4 0.251/4 4770647706 0.51/2 0Lower 22 0- 2.252-1/4 0Amana Tool 49516 $39.40
$29.55
1.51-1/2 0.51/2 0.753/4 0.251/4 4770647706 0- 0Lower 22 0- 2.252-1/4 0Timberline 320-34 $34.15
$23.91
1.51-1/2 0.51/2 0.753/4 0.51/2 4770647706 0.51/2 0Lower 22 0- 2.6252-5/8 0Amana Tool 49518 $39.40
$29.55
1.51-1/2 0.51/2 0.753/4 0.51/2 4770647706 0- 0Lower 22 0- 2.6252-5/8 0Timberline 320-38 $34.15
$23.91
1.751-3/4 0.6255/8 0.8757/8 0.51/2 4770647706 0.51/2 0Lower 22 0- 2.752-3/4 0Amana Tool 49519 $59.40
$44.55
1.751-3/4 0.6255/8 0.8757/8 0.51/2 4770647706 0- 0Lower 22 0- 2.752-3/4 0Timberline 320-54 $53.55
$37.49
22 0.753/4 11 0.51/2 4770647706 0.51/2 0Lower 22 0- 2.8752-7/8 0Amana Tool 49520 $65.40
$49.05
22 0.753/4 11 0.51/2 4770647706 0- 0Lower 22 0- 2.8752-7/8 0Timberline 320-42 $50.35
$35.25
2.252-1/4 0.8757/8 1.251-1/4 0.51/2 4770647706 0.51/2 0Lower 22 0- 3.06253-1/16 0Amana Tool 49521 $128.10
$96.08
2.252-1/4 0.8757/8 1.251-1/4 0.51/2 4770647706 0- 0Lower 22 0- 3.06253-1/16 0Timberline 320-56 $90.05
$63.04
2.52-1/2 11 1.251-1/4 0.51/2 4770647706 0.51/2 0Lower 22 0- 3.18753-3/16 0Amana Tool 49522 $128.10
$96.08
2.52-1/2 11 1.251-1/4 0.51/2 4770647706 0- 0Lower 22 0- 3.18753-3/16 0Timberline 320-58 $98.80
$69.16
2.752-3/4 1.1251-1/8 1.3751-3/8 0.51/2 4770647706 0.51/2 0Lower 22 0- 3.253-1/4 0Amana Tool 49523 $198.55
$148.91
33 1.251-1/4 1.51-1/2 0.51/2 4770647706 0.51/2 0Lower 22 0- 3.253-1/4 0Amana Tool 49524 $209.10
$156.83
33 1.251-1/4 1.51-1/2 0.51/2 4770647706 0- 0Lower 22 0- 3.253-1/4 0Timberline 320-60 $136.05
$95.24
3.53-1/2 1.51-1/2 1.751-3/4 0.51/2 4770647706 0.51/2 0Lower 22 0- 3.6253-5/8 0Amana Tool 49526 $236.20
$177.15
WARNING!: #320-58 & #320-60 are not intended for use in a handheld router, use in a table-mounted router only!

Max RPM:
49519 = 28,000
49520 = 22,000
49521 = 22,000
49522 = 18,000
49523 = 16,000
49524 = 16,000
49526 = 15,000

Note: Bits with 1" and above diameter are not guaranteed due extreme diameters. For best results using a large diameter bit, it is best to first use a smaller radius bit or chamfer the material prior to using the larger radius bits.
Tool life will be prolonged and a smoother finish will result.

#MR0110, MR0112 & MR0114 are Corner Round Bits with Miniature Ball Bearing Guides.

For more Miniature Ball Bearing Guide Router Bits, Please click here

DRB-504 Replacement Parts: ball bearing: 47706; screw: 67096; washers: 67082

* 4 flute design for super-smooth finish.

**Use replacement bearing 47712 for corner rounding or 47701 for beading.

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