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Milwaukee 0420-1 (SER 851B) 12V Pistol Hammer Drill

 Milwaukee 0420-1 (SER 851B) 12V Pistol Hammer Drill Parts

Page A

 Fig # Img Part Name Availability Price
1
6-19 X .708 Pan HD. PT Screw T-10
6-19 X .708 Pan HD. PT Screw T-10
Part #: 06-82-9207
In stock
1 available
 $0.68
Add To Cart
2
Right Handle Half Obsolete - Not Available
Part #: 31-44-1885
Discontinued
N/A
3
Variable Speed Switch
Variable Speed Switch Obsolete - Not Available
Part #: 23-66-2300
Discontinued
N/A
4
Motor Housing Obsolete - Not Available
Part #: 31-50-1080
Discontinued
N/A
5
Gear Spacer Obsolete - Not Available
Part #: 45-36-1260
Discontinued
N/A
6
Service Nameplate Kit Obsolete - Not Available
Part #: 12-20-1155
Discontinued
N/A
7
Brush Tube
Brush Tube
Part #: 22-20-0860
In stock
8 available
 $2.99
Add To Cart
8
Brush Assembly - Top Obsolete - Not Available
Part #: 22-18-0840
Discontinued
N/A
9
Brush Spring
Brush Spring
Part #: 40-50-8840
In stock
9 available
 $2.99
Add To Cart
8A
Brush Assembly-Bottom Obsolete - Not Available
Part #: 22-18-0845
Discontinued
N/A
10
Left Handle Half Obsolete - Not Available
Part #: 31-44-1880
Discontinued
N/A
11
Field Assy Obsolete - Not Available
Part #: 18-01-0010
Discontinued
N/A
12
Service Armature Assy Obsolete - Not Available
Part #: 16-01-1010
Discontinued
N/A
13
Fan Assembly
Fan Assembly
Part #: 22-84-0830
Ships in 9 - 15 business days
 $1.82
Add To Cart
14
6-19 X 11/16" Pan HD. Sit. Plastite T-15
6-19 X 11/16" Pan HD. Sit. Plastite T-15
Part #: 06-82-7261
In stock
7 available
 $0.99
Add To Cart
Fig #ImgPart NameAvailabilityPrice
15
Ball Bearing
Ball Bearing
Part #: 02-04-0848
In stock
1 available
 $3.99
Add To Cart
16
Fiber Washer Obsolete - Not Available
Part #: 45-88-0355
Discontinued
N/A
17
Diaphragm Assy. Obsolete - Not Available
Part #: 14-13-0540
Discontinued
N/A
18
Woodruff Key
Woodruff Key
Part #: 06-42-0400
In stock
19 available
 $2.99
Add To Cart
19
.25X.43X.31 FC Opn
.25X.43X.31 FC Opn
Part #: 02-50-1611
In stock
2 available
 $5.24
Add To Cart
20
Ground Pin
Ground Pin
Part #: 06-65-0880
Ships in 9 - 15 business days
 $0.91
Add To Cart
21
Needle Bearing
Needle Bearing
Part #: 02-50-1640
In stock
8 available
 $3.99
Add To Cart
22
Gasket
Gasket Obsolete - Not Available
Part #: 43-44-0900
Discontinued
N/A
23
Thrust Washer - Heat Treated
Thrust Washer - Heat Treated
Part #: 45-88-7721
Ships in 9 - 15 business days
 $0.68
Add To Cart
24
Intermediate Gear Obsolete - Not Available
Part #: 32-40-2260
Discontinued
N/A
25
Interm. Pinion Shaft
Interm. Pinion Shaft Obsolete - Not Available
Part #: 36-66-4360
Discontinued
N/A
26
Spindle Gear Obsolete - Not Available
Part #: 32-75-3175
Discontinued
N/A
27
Over Lap Wave Washer
Over Lap Wave Washer Obsolete - Not Available
Part #: 45-88-0940
Discontinued
N/A
28
Gear Case
Gear Case Obsolete - Not Available
Part #: 28-14-2105
Discontinued
N/A
29
Ball Bearing
Ball Bearing
Part #: 02-04-0640
In stock
7 available
 $3.99
Add To Cart
Fig #ImgPart NameAvailabilityPrice
30
3/16" Steel Ball
3/16" Steel Ball
Part #: 02-02-0180
In stock
4 available
 $0.68
Add To Cart
31
Fixed Ratchet
Fixed Ratchet
Part #: 44-84-0240
In stock
1 available
 $6.67
Add To Cart
32
Bearing Spacer Obsolete - Not Available
Part #: 45-36-1225
Discontinued
N/A
33
Rotating Ratchet
Rotating Ratchet Obsolete - Not Available
Part #: 44-84-0235
Discontinued
N/A
34
Shift Spacer
Shift Spacer Obsolete - Not Available
Part #: 45-36-1215
Discontinued
N/A
35
1/8" Steel Ball (Sold Individually)
1/8" Steel Ball (Sold Individually)
Part #: 02-02-0120
In stock
15 available
 $0.99
Add To Cart
36
Thrust Washer
Thrust Washer Obsolete - Not Available
Part #: 45-88-0935
Discontinued
N/A
37
Ball BRG. Retaining Ring
Ball BRG. Retaining Ring
Part #: 34-60-0920
In stock
5 available
 $2.99
Add To Cart
38
Ball Bearing
Ball Bearing
Part #: 02-08-0510
In stock
2 available
 $9.06
Add To Cart
39
Compression Spring
Compression Spring Obsolete - Not Available
Part #: 40-50-0220
Discontinued
N/A
40
Spindle
Spindle Obsolete - Not Available
Part #: 38-50-5515
Discontinued
N/A
41
Retaining Ring
Retaining Ring Obsolete - Not Available
Part #: 34-80-2020
Discontinued
N/A
42
O - Ring
O - Ring Obsolete - Not Available
Part #: 34-40-4040
Discontinued
N/A
43
Locking Collar
Locking Collar Obsolete - Not Available
Part #: 31-58-0055
Discontinued
N/A
44
O-Ring
O-Ring Obsolete - Limited Quantity
Part #: 34-40-1500
In stock
2 available
N/A
Fig #ImgPart NameAvailabilityPrice
45
Retaining Ring
Retaining Ring Obsolete - Not Available
Part #: 34-60-2125
Discontinued
N/A
46
Dust Shield Obsolete - Not Available
Part #: 45-12-0520
Discontinued
N/A
47
3/8" Chuck Obsolete - Not Available
Part #: 48-66-0400
Discontinued
N/A
48
Chuck Screw
Chuck Screw Obsolete - Not Available
Part #: 45-04-0755
Discontinued
N/A
49
Side Handle
Side Handle Obsolete - Not Available
Part #: 43-62-0905
Discontinued
N/A
50
Flange Spacer
Flange Spacer Obsolete - Not Available
Part #: 45-36-1255
Discontinued
N/A
51
7 -18X 2" Pan HD. Screw T-20
7 -18X 2" Pan HD. Screw T-20
Part #: 06-82-7393
In stock
7 available
 $0.68
Add To Cart
52
Ball Bearing
Ball Bearing
Part #: 02-04-5130
In stock
1 available
 $3.19
Add To Cart
53
12.0 Volt Battery
12.0 Volt Battery Obsolete - Not Available
Part #: 48-11-0200
Discontinued
N/A
54
Brush Spring Clip
Brush Spring Clip
Part #: 22-32-0400
In stock
8 available
 $2.99
Add To Cart
55
Mounting Plate Obsolete - Not Available
Part #: 44-66-6140
Discontinued
N/A
56
Wave Spring Washer
Wave Spring Washer
Part #: 45-88-5615
Ships in 9 - 15 business days
 $0.68
Add To Cart
800
Warning Label Obsolete - Not Available
Part #: 10-15-9485
Discontinued
N/A

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Power Tool Care and Maintenance 101

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Discussion
Discussion for the Milwaukee 0420-1 (SER 851B) 12V Pistol Hammer Drill

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Accessories
Accessories for the 0420-1

Hole Saws:
See more hole saws 
49-56-0062
1-1/4" Hole Saw - 5/8"-18 Thread
$12.42

49-56-0253
6" Hole Saw - 5/8"-18 Thread
$45.77


4-1/4" Hole Saw - 5/8"-18 Thread
$16.85

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