Dual Adjusting
Type
4-40
SERIES
(All of the screws in
the tables below have 3A threads and are fully threaded )
(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 currently
offered in black and will soon be available in 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 5/16" diameter
Black Knurled knob
with a "L" dimension of 9/32" Alloy screw would have a part number of
K99B-0440-0.28A |
|
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 |
|
4-40x9/32" |
5/16
Knurled |
K99 -0440-0.28 |
x |
o |
o |
o |
x |
x |
o |
| 4-40x13/32 |
5/16 Knurled |
K99-0440-0.40 |
x |
o |
o |
o |
x |
x |
o |
| 4-40x17/32 |
5/16 Knurled |
K99-0440-0.53 |
x |
o |
o |
o |
x |
x |
o |
| 4-40x21/32 |
5/16 Knurled |
K99-0440-0.65 |
x |
o |
o |
o |
x |
x |
o |
| 4-40x25/32 |
5/16 Knurled |
K99-0440-0.78 |
x |
o |
o |
o |
x |
x |
o |
| 4-40x29/32 |
5/16 Knurled |
K99-0440-0.90 |
x |
o |
o |
o |
x |
x |
o |
Keys Available at Competitive Prices
Note: Listed are Shear-Loc's standard
Full Thread offerings.
We also offer many other
standard & semi standard screw lengths.
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 thumbscrews, knobs only and convenient knob
kits
For purchasing information go
to FAQ
