${{amount}}
Skip to content

Get shipping estimates

Parts for:

Milwaukee 0856-20_B42C 18 Volt Rotary Hammer

Search Parts:

Only common repair parts are available for purchase. If a part does not have add to cart button it's not available for purchase on Toolbarn. Please do not contact customer service for availability on these items.
Please scroll left/right table for more info!
Ref Part # Description Price Qty
1 7MM BALL
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

10 SCREW
4 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "4" or more to proceed.

11 SCREW
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

12 M4 X 12 THRD FRM SCREW/SERVICE
2 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "2" or more to proceed.

14 CAP SCREW
2 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "2" or more to proceed.

15 CAP SCREW
2 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "2" or more to proceed.

16 M4 X 38 THRD FRM SCREW/SERVICE
4 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "4" or more to proceed.

19 GEAR BOX
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

20 WOBBLE SHAFT ASSEMBLY
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

3 BALL BEARING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

30 HANDLE MOUNT
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

31 GEARCASE
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

32 GEARBOX COVER
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

33 GEAR BOX HOUSING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

36 BEVEL GEAR
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

38 GEAR
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

39 INTERN. GEAR
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

40 SPINDLE GEAR
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

41 O-RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

42 O-RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

43 SPRING RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

46 O-RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

47 O-RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

48 O-RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

49 O-RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

5 BALL
3 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "3" or more to proceed.

50 O-RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

51 REDUCTION GEAR SHAFT
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

52 WOBBLE PLATE
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

53 SPINDLE GEAR SLEEVE
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

54 PRESSURE SPRING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

55 SPRING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

56 BELLEVILE SPRING
5 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "5" or more to proceed.

57 PRESSURE SPRING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

58 MOUNT BRACKET
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

59 SUPPORT PLATE
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

6 NEEDLE BEARING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

60 RUBBER CAP
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

61 CLUTCH DISC
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

62 THRUST COLLAR
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

64 BEARING COVER
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

66 SLEEVE
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

68 SEAL
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

7 NEEDLE BEARING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

70 FELT
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

71 SWITCH HANDLE
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

72 WRIST PIN
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

73 CYLINDER PIN
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

74 SPRING GUIDE PIN
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

75 GUIDE PIN
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

76 CYLINDER
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

79 RETAINING RING - INTERNAL
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

8 SPINDLE BEARING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

80 SNAP RING - EXTERNAL
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

81 SPRING RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

82 SHIFT RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

83 HOLDING RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

84 LOCKING PLATE
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

85 CLUTCH ROLLER
3 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "3" or more to proceed.

86 SEAL RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

88 STRIKER
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

89 COUPLING SLEEVE
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

90 SLEEVE
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

92 SPACER
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

93 RAM
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

95 WASHER
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

97 STOP WASHER
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.

99 SPRING RING
1 Required
Quantity Required

Quantity Required popup block

Please enter a quantity of "1" or more to proceed.