(248) 348-7800

sales@belknaptools.com

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Contact Us

Van F. Belknap Co., Inc.
29164 Wall Street
Wixom, MI 48393 USA
(248) 348-7800
sales@belknaptools.com

Printer-Friendly VersionNEED A SPECIALLY
DESIGNED TOOL?

You're at the right place! Belknap is the Leader in Specialty Torque Applications. Check out our Specialty Tools Gallery for a small sampling of what we've produced for our customers over the years.

MICRO-ADJUSTABLE
Torque Wrenches

Micro-Adjustable Torque Wrench

BELKNAP’S MICRO-ADJUSTABLE TORQUE WRENCHES offer versatility for applications that require more than one torque value. They feature a distinct breaking action when the set torque is reached. Simply pull down the spring loaded lock ring and turn the handle to set your target torque value. The positive locking device cannot be jarred into an unlocked position. 

Our own metrology lab tests have shown that repeatability and accuracy are maintained after thousands of cycles. Additionally, our customers over the years have proven our test reports through actual production line and maintenance use.

KEY FEATURES

  • Standard industrial grade ratchet head.
  • Accuracy = ± 4% CW and ± 6% CCW from 20% to full scale.
  • Easy to operate.
  • Industrial strength.
  • Easy to read, laser marked scale.
  • Positive lock with spring loaded pull-down lock ring.
  • Rugged knurled metal handle for industrial use.
  • Meets or exceeds ANSI/ASME B107.14M – 1994.
  • English scale primary, Newton Meter scale secondary.
  • Most models feature a quick release button which provides good socket retention and easy socket removal.
  • Calibration certificate available upon request.

USING ADAPTERS OR EXTENSIONS
Adapters or extensions should only be used in line with the wrench, as opposed to being at an angle, and the actual torque applied (TA) will be greater than the torque reading shown.

Determine the actual torque applied by using the formula below:

Belknap Torque Extension Calculator Diagram
* Our online Extensions Calculator does all the calculating for you with real-time updates.


Convert the below torque values to your specific unit of torque:

Micro-Adjustable Torque Wrenches

Part # Min Torque
(In. Lb.)
Max Torque
(In. Lb.)
Min Torque
(Ft. Lb.)
Max Torque
(Ft. Lb.)
Length
(In.)
Square Drive
Size (In.)
Increments
(In.)
Increments
(Ft.)
Weight
(Lb.)
501MRMH 10 50 10 0.25 1 0.85
1501MRMH 30 150 10.25 0.25 1 0.85
2502MRMH 50 250 11 0.375 1 0.95
7502MRMH 150 750 15.5 0.375 5 2.5
10002MRMH 200 1000 15.75 0.375 5 2.5
25003MRMH 500 2500 18 0.5 10 3.2
752MFRMH 15 75 15.5 0.375 0 2.5
1002MFRMH 20 100 15.5 0.375 0 2.55
1503MFRMH 30 150 19 0.5 1 3.2
2503MFRMH 50 250 24.5 0.5 1 3.75
6004MFRMH 120 600 41 0.75 5 12
10005MFRMH 200 1000 70 1 5 25.1
20005MFRMHSS 400 2000 108.5 2 10 48.5

Please feel free to call us for any reason (248) 348-7800. We look forward to speaking with you.

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    #17 Holding Fixture for Stamping
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  • Interchangeable Tips Locking Hose Clamp Tool
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    #4 Locking Hose Clamp Tool
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  • Fixture Park Brake Lever Assembly
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  • Operator Hose Clamp Fixture
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    #3 Hose Clamp Fixture
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  • Pin Deck Locating
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    #3 Deck Locating Pin
  • Fixture for Automotive Instrument Panel Build-Up
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    #10 Automotive Instrument Panel
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  • ISO Adapter Heavy Duty U-Bottom Drive End
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    #4 Heavy Duty U-Bottom
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  • Install Tool Pneumatic Snap Ring
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  • Drive End Special
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    #26 Special Drive End
  • Handle Square Drive
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    #15 Square Drive with Handle
  • Hex Drive End VB2T-I Preset Torque Wrench
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    #8 VB2T-I Preset Torque
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  • Special Screwdriver
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    #32 Special Screwdriver
  • Drive End Spanner
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    #16 Spanner Drive End
  • Tool Pneumatic Push Nut Install
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    #17 Pneumatic Push Nut
    Install Tool
  • Paint Marking Electronic Signal Torque Wrench
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    Marking Torque Wrench
  • Female Torx Drive End Maxi-Break Torque Wrench
    Torque Wrenches
    #10 Maxi-Break Torque
    Wrench with Female
    Torx Drive End
  • Square Drive Fast Lead Wobble Socket
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    #11 Fast Lead Wobble
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  • Hose Clamp Tool Plier
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    #11 Plier Hose Clamp Tool
  • Tool Jam Nut
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  • Tool Belt Tensioning
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    #16 Belt Tensioning Tool
  • Fixture Drill Location
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    #4 Drill Location Fixture
  • Insert Hand Tool
    Assembly & Installation
    #3 Hand Tool for Insert
  • Gauge Sunroof Height
    Fixtures
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  • Square Drive Slotted Nut Driver
    Sockets
    #6 Slotted Nut Driver
    with Square Drive
  • Special Sockets Yankee Screwdriver
    Sockets
    #7 Yankee Screwdriver
    with Special Sockets
  • Tool Heat Shield Install
    Material Handling
    #7 Heat Shield Install Tool
  • Holding Tool Water Pump
    Material Handling
    #8 Water Pump Holding
    Torque Wrench
  • Plastic Scrivit Pneumatic Install Tool
    Assembly & Installation
    #34 Pneumatic Plastic Scrivit
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  • Torque Wrench Top Ink Marking
    Torque Wrenches
    #15 Top Ink Marking
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  • Drive End Pipe Wrench
    Drive Ends
    #6 Pipe Wrench Drive End
  • Tool Hand Hose Clamp
    Hose Clamp Tools
    #8 Hand Hose Clamp Tool
  • Tool Hand Hose Clamp
    Hose Clamp Tools
    #10 Hand Hose Clamp Tool
  • Tool Clip
    Assembly & Installation
    #24 Clip Tool
  • Hose Clamp Tool Hand
    Hose Clamp Tools
    #1 Hand Hose Clamp Tool
  • Tool Scrivit Install
    Assembly & Installation
    #19 Scrivit Install Tool
  • Hand Tool Clip Removal
    Assembly & Installation
    #28 Clip Removal Hand Tool
  • Extended Socket Ratchet Slip-Torq
    Torque Wrenches
    #1 Ratchet with Slip-Torq
    and Extended Socket
  • Crowfoot Box Offset Female Square Drive
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    #2 Box Offset Female
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  • Setting Spacer Front Curb Height
    Fixtures
    #11 Front Curb Height
    Setting Spacer
  • Fixture VIN Plate Split
    Fixtures
    #5 VIN Plate Split Fixture
  • Removal Tool Breather Valve
    Assembly & Installation
    #1 Breather Valve
    Removal Tool
  • Drive End Adapter Hose Fitting End
    Drive Ends
    #30 Hose Fitting End
    Adapter Drive End
  • Drive End Flare Nut Half Moon
    Drive Ends
    #10 Flare Nut Half
    Moon Drive End
  • Square Drive Torx
    Sockets
    #5 Torx with Square Drive
  • Reduced Thickness V-Bottom Drive End
    Drive Ends
    #9 V-Bottom Drive End
    with Reduced Thickness
  • Spring Install Tool Pneumatic Door Hinge
    Assembly & Installation
    #6 Pneumatic Door Hinge
    Spring Install Tool
  • Pneumatic Install Tool AC Line
    Assembly & Installation
    #13 AC Line Pneumatic
    Install Tool
  • Drive End Special Formax
    Drive Ends
    #1 Special Formax Drive End
  • Spanner Drive End Torque Wrench
    Torque Wrenches
    #6 Torque Wrench with
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  • Removal Tool Freeze Plug
    Assembly & Installation
    #4 Freeze Plug Removal Tool
  • Torque Wrench Glass Adjustment
    Torque Wrenches
    #5 Glass Adjustment
    Torque Wrench
  • Enclosure Install Tool Gas Fill Door
    Assembly & Installation
    #25 Gas Fill Door Enclosure
    Install Tool
  • Drive End Install Fan
    Drive Ends
    #28 Fan Install Drive End
  • Socket Top Ink Marking Torque Wrench
    Torque Wrenches
    #3 Top Ink Marking Torque
    Wrench with Socket
  • Adapter for Air Muffler
    Crowfoot Adapters
    #9 Air Muffler Adapter
  • Install Tool Pneumatic Drum Handle
    Assembly & Installation
    #10 Pneumatic Drum Handle
    Install Tool
  • Support Stand Driveshaft
    Fixtures
    #13 Driveshaft Support Stand
  • Hinge Pin Pneumatic Installer
    Assembly & Installation
    #30 Pneumatic Hinge Pin Installer
  • Fixture Window Button
    Fixtures
    #12 Window Button Fixture
  • Install Tool Pneumatic Snap Ring
    Assembly & Installation
    #5 Pneumatic Snap Ring
    Install Tool
  • Square Drive Nylon Sleeve Retaining Hex Socket
    Sockets
    #4 Retaining Hex Socket
    with Square Drive
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  • Special Offset Ratcheting Box Drive End
    Drive Ends
    #11 Ratcheting Box Drive
    End with Special Offset
  • Socket Battery Terminal
    Sockets
    #12 Battery Terminal Socket
  • Magnetic Inserts Non-Marring Hand Tool
    Material Handling
    #2 Non-Marring Hand Tool
    with Magnetic Inserts
  • Slipper Torque Hand Tool T-Handle
    Torque Wrenches
    #9 T-Handle Slipper
    Torque Hand Tool
  • Torque Wrench Holding Offset
    Torque Wrenches
    #23 Offset Holding
    Torque Wrench
  • Drive End Special Allen
    Drive Ends
    #21 Special Allen Drive End
  • Handling Hook for Automotive Frame
    Material Handling
    #11 Automotive Frame
    Handling Hook
  • Tool Shaft Indexing
    Assembly & Installation
    #21 Tie Rod Adjusting Tool
  • Fixture Thread Checker Holding
    Fixtures
    #2 Thread Checker Holding
    Fixture
  • Speeder Open End Crowfoot
    Crowfoot Adapters
    #7 Open End Speeder
    Crowfoot
  • Hose Clamp Tool Inverted
    Hose Clamp Tools
    #12 Inverted Hose Clamp Tool
  • Square Drive Hex Driver
    Sockets
    #19 Hex Drive with
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  • Drive End Half Moon
    Drive Ends
    #12 Half Moon Drive End
  • Spreader Pneumatic Driveshaft
    Assembly & Installation
    #18 Pneumatic Driveshaft
    Spreader
  • Socket Spring Loaded Dual
    Sockets
    #8 Spring Loaded Dual Socket
  • Shank Converter Square Drive
    Crowfoot Adapters
    #4 Square Drive to
    Shank Converter
  • Open End 12 Point Crowfoot
    Crowfoot Adapters
    #6 12 Point U-Bottom
    Crowfoot
  • Handling Hook Front Axle
    Material Handling
    #4 Front Axle Handling Hook
  • Pneumatic Hose Clamp Tool Bench Mounted
    Hose Clamp Tools
    #2 Bench Mounted Pneumatic
    Hose Clamp Tool
  • Adjust Tool Door Glass
    Assembly & Installation
    #8 Door Glass Adjust Tool
  • Holding Bracket Power Tool
    Material Handling
    #1 Power Tool Holding Bracket
  • Install Tool Trunk Latch
    Assembly & Installation
    #9 Trunk Latch Install Tool
  • Square Drive Spring Loaded Socket
    Sockets
    #10 Spring Loaded Socket
    with Square Drive
  • Interchangeable Tips Hand Hose Clamp Tool
    Hose Clamp Tools
    #5 Hand Hose Clamp Tool
    with Interchangeable Tips
  • Nylon Sleeve Antenna Socket
    Sockets
    #22 Antenna Socket
    with Nylon Sleeve
  • Drive End Spanner
    Drive Ends
    #15 Spanner Drive End
  • Socket Adjustable Runoff Surface Drive
    Sockets
    #18 Surface Drive Socket
    with Adjustable Runoff
  • Magnet Socket Shortened
    Sockets
    #20 Shortened Socket
    with Magnet
  • Threaded Rod T-Handle
    Assembly & Installation
    #27 T-Handle with Threaded Rod
  • Indexing Driveshaft Tool
    Torque Wrenches
    #24 Driveshaft Indexing Tool
  • Tool Inline Pneumatic Hose Clamp
    Hose Clamp Tools
    #6 Inline Pneumatic Hose
    Clamp Tool
  • Gage Tailpipe
    Fixtures
    #15 Tailpipe Gage
  • Drive End Brake Line
    Drive Ends
    #8 Brake Line Drive End
  • Male Hex Drive V-Bottom Extended Adapter
    Drive Ends
    #19 V-Bottom Extended Adapter
    with Male Hex Drive
  • Magnet Hand Socket Tool
    Sockets
    #16 Hand Socket
    Tool with Magnet
  • Removal Tool Hand Clip
    Assembly & Installation
    #22 Hand Clip Removal Tool
  • Rubber Install Tool Cup Holder
    Material Handling
    #6 Cup Holder Rubber
    Install Tool
  • Side Ink Marking Torque Wrench Formax Drive End
    Drive Ends
    #5 Formax Drive End
    for Side Ink Marking
    Torque Wrench
  • Brake Tester Hand Park
    Assembly & Installation
    #26 Hand Park Brake Tester
  • Female Square Drive Spanner
    Crowfoot Adapters
    #3 Spanner with Female
    Square Drive
  • Drive End Torx Offset
    Drive Ends
    #3 Torx Offset Drive End
  • Socket Heat Sensor
    Sockets
    #21 Heat Sensor Socket
  • Gauge AC Line Location
    Assembly & Installation
    #20 AC Line Location Gauge
  • Fixture Steering Shaft
    Fixtures
    #7 Steering Shaft Fixture
  • Drive End Adjustable
    Drive Ends
    #14 Adjustable Drive End
  • Extension Spring Loaded
    Sockets
    #9 Spring Loaded Extension
  • Table for Rear Axle Build-Up
    Fixtures
    #16 Rear Axle Build-Up Table
  • Installation Transmission Seal
    Assembly & Installation
    #33 Transmission Seal Installer
  • Pipe Wrench Drive End Torque Wrench
    Torque Wrenches
    #4 Torque Wrench with Pipe
    Wrench Drive End
  • Adjusting Tool Camber
    Torque Wrenches
    #2 Camber Adjusting Tool
  • Male Hex U-Bottom Drive End
    Drive Ends
    #2 U-Bottom with Male
    Hex Drive End
  • Torque Wrench Maxi-Break Click
    Torque Wrenches
    #14 Maxi-Break Click
    Torque Wrench
  • Fixture Front Brake Line
    Fixtures
    #10 Front Brake Line Fixture
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    Assembly & Installation
    #2 Pneumatic Engine Pin
    Installer with Feeder
  • Torque Wrench Large Octal Nut
    Torque Wrenches
    #7 Large Octal Nut
    Torque Wrench
  • Special Offset Adapter Torque Wrench
    Torque Wrenches
    #19 Torque Wrench with
    Special Offset Adapter
  • Spacer Rear Curb Height Setting
    Fixtures
    #8 Rear Curb Height
    Setting Spacer
  • Ratcheting Allen Head Drive End Torque Wrench
    Torque Wrenches
    #18 Torque Wrench with
    Ratcheting Allen Head
    Drive End
  • Nylon Sleeve Lug Nut Socket
    Sockets
    #23 Lug Nut Socket
    with Nylon Sleeve
  • Speeder Drive End Punch Marking Torque Wrench
    Torque Wrenches
    #13 Punch Marking Torque
    Wrench with Speeder
    Drive End
  • Socket Spring Loaded Wobble
    Sockets
    #13 Spring Loaded
    Wobble Socket
  • Torx Bit for Rounded Fasteners Top Ink Marker Torque Wrench
    Torque Wrenches
    #11 Top Ink Marker
    with Torx Bit for
    Rounded Fasteners
  • B Shank V-Bottom Drive End
    Drive Ends
    #17 V-Bottom Drive End
    with B Shank
  • Torque Wrench Transmission Plug
    Assembly & Installation
    #29 Transmission Plug
    Torque Wrench
  • Crowfoot Holding Wrench Adapter
    Crowfoot Adapters
    #5 Holding Wrench Adapter
  • Drive End Axle to Transmission Gauge
    Drive Ends
    #13 Axle to Transmission
    Gauge Drive End
  • Fixture Holding
    Fixtures
    #14 Holding Fixture
  • Crowfoot Male Square Drive by Female Square Drive
    Crowfoot Adapters
    #1 Male Square Drive
    by Female Square
    Drive Crowfoot
  • Tips Interchangeable Hose Clamp Tool
    Hose Clamp Tools
    #3 Interchangeable Hose
    Clamp Tool Tips
  • Drive End Control Arm
    Drive Ends
    #18 Control Arm Drive End
  • Socket Ink Marking Torque Wrench
    Sockets
    #2 Ink Marking Torque
    Wrench Socket
  • Jam Nut Adapter Tie-Rod
    Drive Ends
    #25 Tie-Rod Jam Nut Adapter
  • Adapter Allen Head
    Crowfoot Adapters
    #8 Allen Head Adapter
  • Socket Tail Light
    Sockets
    #17 Tail Light Socket
  • Adjustable Force Pneumatic Nut Install Tool
    Assembly & Installation
    #14 Pneumatic Nut Install
    Tool with Adjustable Force
  • Drive End Cam Adjust
    Drive Ends
    #20 Cam Adjust Drive End
  • Drive End Offset Extended Box
    Drive Ends
    #23 Offset Extended
    Box Drive End
  • Brake Bleeder Ratcheting
    Torque Wrenches
    #21 Ratcheting Brake Bleeder
  • Drive End Special
    Drive Ends
    #22 Special Drive End
  • V-Bottom Drive End Offset Extended
    Drive Ends
    #29 Offset Extended
    V-Bottom Drive End
  • Moving Battery Tool
    Material Handling
    #5 Battery Moving Tool
  • Tool Spreader
    Assembly & Installation
    #31 Spreader Tool
  • Adjustable Tension Pressure Roller
    Assembly & Installation
    #23 Pressure Roller with
    Adjustable Tension
  • Drive End Special
    Drive Ends
    #7 Special Drive End
  • Special Grip Ratcheting Torque Wrench
    Torque Wrenches
    #17 Ratcheting Torque
    Wrench with Special Grip
  • Spline Socket Steering Column
    Sockets
    #3 Steering Column
    Spline Socket
  • Drive End Non-Marring Pipe Wrench
    Drive Ends
    #24 Non-Marring Pipe
    Wrench Drive End
  • Hand Tool Special
    Torque Wrenches
    #16 Special Hand Tool
  • Fixture Rear Axle Sway Bar
    Fixtures
    #9 Rear Axle Sway
    Bar Fixture
  • Handling Hook for Rear Axle
    Material Handling
    #9 Rear Axle Handling Hook
  • Install Tool Push Pin
    Assembly & Installation
    #7 Push Pin Install Tool
  • Removal Hand Hose Clamp Tool
    Hose Clamp Tools
    #9 Hand Hose Clamp
    Removal Tool
  • Clean Out Thread Tool
    Sockets
    #15 Thread Clean Out Tool
  • Socket Special
    Sockets
    #14 Special Socket
  • Drive End Torque Wrench Hex Flare Offset
    Torque Wrenches
    #12 Torque Wrench with Hex
    Flare Offset Drive End
  • Drive End Allen Head
    Drive Ends
    #27 Allen Head Drive End
  • Nylon Housing Surface Drive Socket
    Sockets
    #1 Surface Drive Socket
    with Nylon Housing
  • Install Tool Pneumatic Bumper Nut
    Assembly & Installation
    #12 Pneumatic Bumper Nut
    Install Tool
  • Retainer Pneumatic Hose Clamp Tool
    Hose Clamp Tools
    #7 Pneumatic Hose Clamp
    Tool with Retainer
  • Puller for Transmission Shaft Seal
    Assembly & Installation
    #35 Transmission Shaft
    Seal Puller
© 2003-2012 Van F. BELKNAP Co., Inc. • 29164 Wall Street, Wixom, MI 48393 • CALL 248-348-7800 • FAX 248-348-9821 • EMAIL sales@belknaptools.com