1/4" Key Drive


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Shear-loc Thumb screw knobs
1/4" Key Drive

 

Dual Adjusting Type
Click on the desired thread pitch to go to that part of the page.

Or scroll down to see the whole page.

1/4-20         1/4-28
UNC-3A                                      UNF-3A

 

 

1/4-20 SERIES


(All of the screws in the tables below have 3A threads and are fully threaded
except part numbers marked with a " * "at the end )

(Screws longer than listed are available but are normally not  fully threaded.)

(When using the hex socket to install this thumbscrew, caution should be taken not to over
tighten the plastic knob if it comes in contact with a surface, as knob damage or breakage can occur)

The plastic knob portion of the thumbscrew is offered in black, red, gray and yellow.
As with the entire line, Shear-Loc will furnish free samples for testing needs.


Knurled Style Key Drive Thumbscrew

Please add Knob color and Screw type prefix to the part number.

B=Black, R=Red, G=Gray, Y=Yellow, A=Alloy, S=Stainless, Z=Zinc plate

For example: A 3/4 diameter Black Knurled knob  with a "L" dimension of 3/8 Alloy screw would have a part number of K03B-2520-0.37A

Note: Items at the right of the table marked with "X" are standard items "O" are non standard items. Please inquire about the availability of non standards.

Please go to the what's new/etc page. for information on zinc plated screw assemblies marked with a  "O" .

Screw/L Dim.

A Dim./Style

Part Number

B

R

G

Y

A S Z

1/4-20x3/8"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2520-0.37wpe1E.jpg (705 bytes)

x

o o o x x o
1/4-20x3/8" 1" Knurled K04wpe23.jpg (705 bytes)-2520-0.37wpe1E.jpg (705 bytes) x o o o x x o

1/4-20x1/2"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2520-0.50wpe1E.jpg (705 bytes)

x

o o o x x o
1/4-20x1/2" 1" Knurled K04wpe23.jpg (705 bytes)-2520-0.50wpe1E.jpg (705 bytes) x o o o x x o

1/4-20x5/8"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2520-0.62wpe1E.jpg (705 bytes)

x

o o o x x o
1/4-20x5/8" 1" Knurled K04wpe23.jpg (705 bytes)-2520-0.62wpe1E.jpg (705 bytes) x o o o x x o

1/4-20x3/4"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2520-0.75wpe1E.jpg (705 bytes)

x

o o o x x o
1/4-20x3/4" 1" Knurled K04wpe23.jpg (705 bytes)-2520-0.75wpe1E.jpg (705 bytes) x o o o x x o

1/4-20x7/8"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2520-0.87wpe1E.jpg (705 bytes)

x

o o o x x o
1/4-20x7/8" 1" Knurled K04wpe23.jpg (705 bytes)-2520-0.87wpe1E.jpg (705 bytes) x o o o x x o

1/4-20x1 1/8"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2520-1.12wpe1E.jpg (705 bytes)

x

o o o x x o
1/4-20x1 1/8" 1" Knurled K04wpe23.jpg (705 bytes)-2520-1.12wpe1E.jpg (705 bytes) x o o o x x o

1/4-20x1 3/8"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2520-1.37wpe1E.jpg (705 bytes)*

x

o o o x x o
1/4-20x1 3/8" 1" Knurled K04wpe23.jpg (705 bytes)-2520-1.37wpe1E.jpg (705 bytes)* x o o o x x o

Keys Available at Competitive Prices

We also offer many other standard & semi standard screw lengths fully and not fully threaded.
  Please call for more information

Phones: (410)358-3130 (800)638-1830     Faxes: (410)358-3142 (800)872-9329

Click here to go back to the Key Drive selection page.

Don't forget about our original thumbscrewsknobs only and convenient knob kits
For purchasing information go to FAQ

1/4-28 SERIES


(All of the screws in the tables below have 3A threads and are fully threaded
except part numbers marked with a " * "at the end )

(Screws longer than listed are available but are normally not  fully threaded.)

(When using the hex socket to install this thumbscrew, caution should be taken not to over
tighten the plastic knob if it comes in contact with a surface, as knob damage or breakage can occur)

The plastic knob portion of the thumbscrew is offered in black, red, gray and yellow.
As with the entire line, Shear-Loc will furnish free samples for testing needs.


Knurled Style Key Drive Thumbscrew

 

Please add Knob color and Screw type prefix to the part number.

B=Black, R=Red, G=Gray, Y=Yellow, A=Alloy, S=Stainless, Z=Zinc plate

For example: A 3/4" diameter Black Knurled knob  with a "L" dimension of 3/8" Alloy screw would have a part number of K03B-2528-0.37A

Note: Items at the right of the table marked with "X" are standard items "O" are non standard items. Please inquire about the availability of non standards.

Please go to the what's new/etc page. for information on zinc plated screw assemblies marked with a  "O" .

Screw/L Dim.

A Dim./Style

Part Number

B

R

G

Y

A S Z

1/4-28x3/8"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2528-0.37wpe1E.jpg (705 bytes)

x

o o o x x o
1/4-28x3/8" 1" Knurled K04wpe23.jpg (705 bytes)-2528-0.37wpe1E.jpg (705 bytes) x o o o x x o

1/4-28x1/2"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2528-0.50wpe1E.jpg (705 bytes)

x

o o o x x o
1/4-28x1/2" 1" Knurled K04wpe23.jpg (705 bytes)-2528-0.50wpe1E.jpg (705 bytes) x o o o x x o

1/4-28x5/8"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2528-0.62wpe1E.jpg (705 bytes)

x

o o o x x o
1/4-28x5/8" 1" Knurled K04wpe23.jpg (705 bytes)-2528-0.62wpe1E.jpg (705 bytes) x o o o x x o

1/4-28x3/4"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2528-0.75wpe1E.jpg (705 bytes)

x

o o o x x o
1/4-28x3/4" 1" Knurled K04wpe23.jpg (705 bytes)-2528-0.75wpe1E.jpg (705 bytes) x o o o x x o

1/4-28x7/8"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2528-0.87wpe1E.jpg (705 bytes)

x

o o o x x o
1/4-28x7/8" 1" Knurled K04wpe23.jpg (705 bytes)-2528-0.87wpe1E.jpg (705 bytes) x o o o x x o

1/4-28x1 1/8"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2528-1.12wpe1E.jpg (705 bytes)

x

o o o x x o
1/4-28x1 1/8" 1" Knurled K04wpe23.jpg (705 bytes)-2528-1.12wpe1E.jpg (705 bytes) x o o o x x o

1/4-28x1 3/8"

3/4" Knurled

K03wpe23.jpg (705 bytes)-2528-1.37wpe1E.jpg (705 bytes)*

x

o o o x x o
1/4-28x1 3/8" 1" Knurled K04wpe23.jpg (705 bytes)-2528-1.37wpe1E.jpg (705 bytes)* x o o o x x o

Keys Available at Competitive Prices

We also offer many other standard & semi standard screw lengths fully and not fully threaded.
  Please call for more information

Phones: (410)358-3130 (800)638-1830     Faxes: (410)358-3142 (800)872-9329

Click here to go back to the Key Drive selection page.

Don't forget about our original thumbscrewsknobs only and convenient knob kits
For purchasing information go to FAQ

 

How to order: Please preface each Shear-Loc part number with 'R973-'
Example: R973-928B-0305-006A

  click here for a 'request for quotation' form  Use Our Secure Order Form   click here for faxable order forms
Phones: (800) 638-1830 or (410) 358-3130 are available Monday-Friday 8:30 AM to 5:30 PM Eastern time.
Faxes: (800) 872-9329 or (410) 358-3142 & E-mail are available anytime.
Warehouse & showroom hours are Monday-Friday 10 AM to 5:30 PM.
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