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Corner Rounding with 1/2 Inch Dia Ball Bearing Guide Router Bits

Corner Rounding with 1/2 Inch Dia Ball Bearing Guide Router Bits

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Price:
$19.39 - $177.15

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2 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 with 1/2 Inch Dia Ball Bearing Guide Router Bits

D R B d Replacement
Bearing
Ball
Bearing
Flute Description L Brand Tool No. Our Price Ready to Buy?
0.31255/16 0.06251/16 0.31255/16 0.251/4 47775 (Mini)47775 (Mini) LowerLower 22 Mini 3/16 Dia. Ball BearingMini 3/16 Dia. Ball Bearing 1.81251-13/16 Amana ToolAmana Tool MRR108 $37.50
$28.13
Quantity:  
0.6255/8 0.06251/16 0.31255/16 0.251/4 4770647706 LowerLower 22 1.751-3/4 Amana ToolAmana Tool 49492 $42.70
$32.03
Quantity:  
0.6255/8 0.06251/16 0.31255/16 0.251/4 4770647706 LowerLower 22 1.751-3/4 TimberlineTimberline 320-06 $27.85
$19.50
Quantity:  
0.6255/8 0.06251/16 0.31255/16 0.51/2 4770647706 LowerLower 22 2.252-1/4 Amana ToolAmana Tool 49494 $44.45
$33.34
Quantity:  
0.3753/8 0.093753/32 0.3753/8 0.251/4 47775 (Mini)47775 (Mini) LowerLower 22 Mini 3/16 Dia. Ball BearingMini 3/16 Dia. Ball Bearing 1.81251-13/16 Amana ToolAmana Tool MR0110 $37.50
$28.13
Quantity:  
0.43757/16 0.1251/8 0.3753/8 0.251/4 47775 (Mini)47775 (Mini) LowerLower 22 Mini 3/16 Dia. Ball BearingMini 3/16 Dia. Ball Bearing 1.81251-13/16 Amana ToolAmana Tool MR0112 $37.50
$28.13
Quantity:  
0.753/4 0.1251/8 0.3753/8 0.251/4 4770647706 LowerLower 22 22 Amana ToolAmana Tool 49496 $41.00
$30.75
Quantity:  
11 0.1251/8 0.3753/8 0.251/4 4770647706 LowerLower 22 Repl. Knives: RCK 268 (2)Repl. Knives: RCK-268 (2) 2.18752-3/16 Amana ToolAmana Tool RC-49496 $45.10
$33.83
Quantity:  
0.753/4 0.1251/8 0.3753/8 0.51/2 4770647706 LowerLower 22 2.31252-5/16 Amana ToolAmana Tool 49498 $44.45
$33.34
Quantity:  
0.753/4 0.1251/8 0.3753/8 0.251/4 4770647706 LowerLower 22 22 TimberlineTimberline 320-10 $27.70
$19.39
Quantity:  
0.753/4 0.1251/8 0.3753/8 0.51/2 4770647706 LowerLower 22 2.31252-5/16 TimberlineTimberline 320-46 $28.95
$20.27
Quantity:  
0.51/2 0.156255/32 0.3753/8 0.251/4 47775 (Mini)47775 (Mini) LowerLower 22 Mini 3/16 Dia. Ball BearingMini 3/16 Dia. Ball Bearing 1.81251-13/16 Amana ToolAmana Tool MR0114 $38.60
$28.95
Quantity:  
0.753/4 0.156255/32 0.3753/8 0.251/4 4770647706 LowerLower 22 22 Amana ToolAmana Tool 49499 $44.65
$33.49
Quantity:  
0.753/4 0.156255/32 0.3753/8 0.51/2 4770647706 LowerLower 22 2.252-1/4 Amana ToolAmana Tool 49501 $45.65
$34.24
Quantity:  
0.8757/8 0.18753/16 0.51/2 0.251/4 4770647706 LowerLower 22 22 Amana ToolAmana Tool 49500 $41.75
$31.31
Quantity:  
0.8757/8 0.18753/16 0.51/2 0.51/2 4770647706 LowerLower 22 2.43752-7/16 Amana ToolAmana Tool 49502 $42.85
$32.14
Quantity:  
0.8757/8 0.18753/16 0.51/2 0.251/4 4770647706 LowerLower 22 22 TimberlineTimberline 320-14 $27.90
$19.53
Quantity:  
0.812513/16 0.18753/16 0.3753/8 0.251/4 4770647706 LowerLower 22 22 TimberlineTimberline 320-48 $29.05
$20.34
Quantity:  
0.8757/8 0.18753/16 0.51/2 0.51/2 4770647706 LowerLower 22 2.43752-7/16 TimberlineTimberline 320-50 $27.95
$19.57
Quantity:  
0.753/4 0.251/4 0.51/2 0.251/4 4772347723 LowerLower 22 1/4 Dia. Ball Bearing1/4 Dia. Ball Bearing 1.8751-7/8 Amana ToolAmana Tool 49505 $41.60
$31.20
Quantity:  
0.8757/8 0.251/4 0.51/2 0.251/4 4770447704 LowerLower 22 3/8 Dia. Ball Bearing3/8 Dia. Ball Bearing 1.93751-15/16 Amana ToolAmana Tool 49527 $41.60
$31.20
Quantity:  
11 0.251/4 0.51/2 0.251/4 4770647706 LowerLower 22 22 Amana ToolAmana Tool 49504 $41.60
$31.20
Quantity:  
11 0.251/4 0.51/2 0.251/4 4770647706 LowerLower 22 Repl. Knives: RCK 272(2)Repl. Knives: RCK-272(2) 2.06252-1/16 Amana ToolAmana Tool RC-49504 $45.75
$34.31
Quantity:  
11 0.251/4 0.51/2 0.251/4 4770647706 LowerLower 22 Polycrystalline Diamond (PCD) TippedPolycrystalline Diamond (PCD) Tipped 2.06252-1/16 Amana ToolAmana Tool DRB-504 $151.05
$135.95
Quantity:  
11 0.251/4 0.51/2 0.51/2 4770647706 LowerLower 22 2.43752-7/16 Amana ToolAmana Tool 49506 $42.20
$31.65
Quantity:  
11 0.251/4 0.51/2 0.251/4 4770647706 LowerLower 22 22 TimberlineTimberline 320-18 $28.25
$19.78
Quantity:  
11 0.251/4 0.51/2 0.51/2 4770647706 LowerLower 22 2.43752-7/16 TimberlineTimberline 320-22 $28.25
$19.78
Quantity:  
1.1251-1/8 0.31255/16 0.51/2 0.251/4 4770647706 LowerLower 22 2.06252-1/16 Amana ToolAmana Tool 49508 $44.45
$33.34
Quantity:  
1.1251-1/8 0.31255/16 0.51/2 0.51/2 4770647706 LowerLower 22 2.43752-7/16 Amana ToolAmana Tool 49510 $45.80
$34.35
Quantity:  
1.1251-1/8 0.31255/16 0.51/2 0.251/4 4770647706 LowerLower 22 2.06252-1/16 TimberlineTimberline 320-20 $28.15
$19.71
Quantity:  
1.1251-1/8 0.31255/16 0.51/2 0.51/2 4770647706 LowerLower 22 2.43752-7/16 TimberlineTimberline 320-52 $29.85
$20.90
Quantity:  
11 0.3753/8 0.6255/8 0.251/4 4772347723 LowerLower 22 1/4 Dia. Ball Bearing1/4 Dia. Ball Bearing 22 Amana ToolAmana Tool 49511 $43.55
$32.66
Quantity:  
1.1251-1/8 0.3753/8 0.6255/8 0.251/4 4770447704 LowerLower 22 3/8 Dia. Ball Bearing3/8 Dia. Ball Bearing 2.1252-1/8 Amana ToolAmana Tool 49531 $43.55
$32.66
Quantity:  
1.251-1/4 0.3753/8 0.6255/8 0.251/4 4770647706 LowerLower 22 2.18752-3/16 Amana ToolAmana Tool 49512 $43.55
$32.66
Quantity:  
1.251-1/4 0.3753/8 0.6255/8 0.51/2 4770647706 LowerLower 22 2.56252-9/16 Amana ToolAmana Tool 49514 $45.00
$33.75
Quantity:  
1.251-1/4 0.3753/8 0.6255/8 0.251/4 4770647706 LowerLower 22 2.18752-3/16 TimberlineTimberline 320-26 $29.20
$20.44
Quantity:  
1.251-1/4 0.3753/8 0.6255/8 0.51/2 4770647706 LowerLower 22 2.56252-9/16 TimberlineTimberline 320-30 $29.20
$20.44
Quantity:  
1.3751-3/8 0.43757/16 0.6255/8 0.51/2 4770647706 LowerLower 22 2.56252-9/16 Amana ToolAmana Tool 49515 $72.10
$54.08
Quantity:  
1.51-1/2 0.51/2 0.753/4 0.251/4 4770647706 LowerLower 22 2.252-1/4 Amana ToolAmana Tool 49516 $47.95
$35.96
Quantity:  
1.51-1/2 0.51/2 0.753/4 0.51/2 4770647706 LowerLower 22 2.6252-5/8 Amana ToolAmana Tool 49518 $49.35
$37.01
Quantity:  
1.51-1/2 0.51/2 0.753/4 0.251/4 4770647706 LowerLower 22 2.252-1/4 TimberlineTimberline 320-34 $34.15
$23.91
Quantity:  
1.51-1/2 0.51/2 0.753/4 0.51/2 4770647706 LowerLower 22 2.6252-5/8 TimberlineTimberline 320-38 $34.15
$23.91
Quantity:  
1.6251-5/8 0.56259/16 0.753/4 0.51/2 4770647706 LowerLower 22 2.6252-5/8 Amana ToolAmana Tool 49517 $72.95
$54.71
Quantity:  
1.751-3/4 0.6255/8 0.8757/8 0.51/2 4770647706 LowerLower 22 2.752-3/4 Amana ToolAmana Tool 49519 $73.60
$55.20
Quantity:  
1.751-3/4 0.6255/8 0.8757/8 0.51/2 4770647706 LowerLower 22 2.752-3/4 TimberlineTimberline 320-54 $53.55
$37.49
Quantity:  
22 0.753/4 11 0.51/2 4770647706 LowerLower 22 2.8752-7/8 Amana ToolAmana Tool 49520 $78.25
$58.69
Quantity:  
22 0.753/4 11 0.51/2 4770647706 LowerLower 22 2.8752-7/8 TimberlineTimberline 320-42 $50.35
$35.25
Quantity:  
2.252-1/4 0.8757/8 1.251-1/4 0.51/2 4770647706 LowerLower 22 3.06253-1/16 Amana ToolAmana Tool 49521 $138.35
$103.76
Quantity:  
2.252-1/4 0.8757/8 1.251-1/4 0.51/2 4770647706 LowerLower 22 3.06253-1/16 TimberlineTimberline 320-56 $90.05
$63.04
Quantity:  
2.52-1/2 11 1.251-1/4 0.51/2 4770647706 LowerLower 22 3.18753-3/16 Amana ToolAmana Tool 49522 $151.85
$113.89
Quantity:  
2.52-1/2 11 1.251-1/4 0.51/2 4770647706 LowerLower 22 3.18753-3/16 TimberlineTimberline 320-58 $98.80
$69.16
Quantity:  
2.752-3/4 1.1251-1/8 1.3751-3/8 0.51/2 4770647706 LowerLower 22 3.253-1/4 Amana ToolAmana Tool 49523 $198.55
$148.91
Quantity:  
33 1.251-1/4 1.51-1/2 0.51/2 4770647706 LowerLower 22 3.253-1/4 Amana ToolAmana Tool 49524 $209.10
$156.83
Quantity:  
33 1.251-1/4 1.51-1/2 0.51/2 4770647706 LowerLower 22 3.253-1/4 TimberlineTimberline 320-60 $136.05
$95.24
Quantity:  
3.53-1/2 1.51-1/2 1.751-3/4 0.51/2 4770647706 LowerLower 22 3.6253-5/8 Amana ToolAmana Tool 49526 $236.20
$177.15
Quantity:  
Warning: #320-58 & #320-60 are not intended for use in a handheld router, use in a table-mounted router only!

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

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