PEMPEM Fastener Catalogue
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CSOS–832–16

CSS / CSOS Stainless Steel Concealed-Head Standoffs · Unified · PDF page 22 · PEM Fastener Catalogue

CSS / CSOS Stainless Steel Concealed-Head Standoffs · Unified · thread .164-32 (#8-32)

Concealed-head standoff, blind / open variant, 300 series stainless.

Also written as CSOS-832-16.

Part number breakdown

SegmentCodeMeaning
TypeCSOConcealed-head standoff, blind / open variant
MaterialS300 series stainless
Thread832Thread size .164-32 (#8-32)
Length Code "L"16—

Style #3 (3)

Blind.

Dimensions

Defines A, B, C, F, L. This is a technical engineering diagram of a "Style #3" threaded fastener or insert, shown in a half-sectional view. Key dimensional labels include: A: Head thickness/height. B: Outer diameter of the shank. C: Overall head diameter. F: Internal thread depth. L: Total length of the shank from under the head. Internal Detail: Shows a female-threaded internal bore.Defines H. Type: CSS Component: Top view of a mechanical fastener or standoff. Features: Octagonal or fluted outer profile. Concentric circular internal features (likely threaded hole and pilot. Horizontal and vertical centerlines. Dimension: "H" indicates the width across the flats or the total width of the component.Defines A, B, C, F, L. Entity: TYPE CSOS component (self-clinching standoff Key Features: Two Groove: Identifiable external marking (Registered Trademark. Internal Threads: Shown in cross-section view. Dimension Labels: A: Flange/head thickness. B: Outer body diameter. C: Flange/head diameter. F: Internal thread depth. L: Overall body length from under the head.Defines A, B, C, L. This is a technical cross-sectional drawing of a threaded clinch fastener. Key dimensions and features include: A: Thickness of the clinch head. B: Outer diameter of the threaded body. C: Diameter of the clinch profile. L: Length of the body. Internal Threads: The upper half shows a cross-section of the internal threading. Context: Dimensions are in inches; the clinching profile may vary.
DimensionValue
Thread Size.164-32 (#8-32)
Type › Stainless SteelCSOS
Thread Code832
Length Code "L" +.002 −.005 (Length code is in 16ths of an inch) › 1.0016 (3)
Min. Sheet Thickness.093
Blind Mounting Hole Dia. +.003 −.000.312
Min. Depth of Blind Hole.075
Min. Depth Full Thread F.250
A (Shank) Max..072
B Max..245
C Max..311
H Nom..344
Min. Dist. Hole ℄ To Edge.250

Material and finish

PropertyValue
TypeCSOS
ThreadsInternal, ASME B1.1 2B / ASME B1.13M, 6H
Fastener Materials300 Series Stainless Steel
FinishPassivated and/or tested per ASTM A380
For Use In Sheet HardnessHRB 70 / HB 125 or Less

Source: Material and Finish Specifications · PDF page 23

Performance data

PropertyValue
TypeCSOS
Thread Code832
Max. Tightening Torque Ref. (in. lbs.)18
Test Sheet Material › Cold-rolled Steel › Installation (lbs.)5,300
Test Sheet Material › Cold-rolled Steel › Pullout (lbs.)440
Test Sheet Material › 5052-H34 Aluminum › Installation (lbs.)4,000
Test Sheet Material › 5052-H34 Aluminum › Pullout (lbs.)300

Source: Performance Data (1) · PDF page 24

Installation tooling

PropertyValue
TypeCSS / CSOS
Thread Code832
D +.003 −.000.250
Punch Part Number975200048
Anvil Part Number970200016300

Source: PEMSERTER® Installation Tooling · PDF page 23

End mill information

PropertyValue
Thread Code832, M4
Fastener TypeCSOS, CSS Standoffs
Required Size End Mill.312"
PEM Part No.CHM-312

Source: End Mill Information · PDF page 23

Source

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Part number breakdownDimensionsMaterial and finishPerformance dataInstallation toolingEnd mill informationSource