Installing Self-Clinching Standoffs (CFSO / CFBSO Series Installation Guide)

Documents

Shipments are backed by Mill Test Certificate (MTC), Dimensional Report, Salt Spray Test Report on request, with full batch traceability from raw material to finished product. Quality management follows the owner-confirmed compliance list: ISO 9001:2015, RoHS, REACH. Exact document sets are confirmed on the order.

Quotation

• The fastener family (Installing Self-Clinching Standoffs (CFSO / CFBSO Series Installation Guide)) plus the standard designation from your drawing — DIN / ISO / JIS / ASTM / ANSI, or a drawing for custom parts.
• Size (diameter and length), thread type (metric or inch), property class or grade, and coating or finish.
• Quantity per size and your target delivery date.
• Destination country, and any required documents (for example a mill test certificate) so the quote includes them.

Sample & supply

Minimum order quantities and lead times for this family are confirmed at quotation — send your sizes, grades and quantities on the RFQ and the quote will carry a firm schedule. Sample availability is confirmed with the quotation.

Storage & shipping

Parts are packed for export and shipped factory-direct to buyers in Europe, Asia, the Americas and the Middle East. Store fasteners dry and protected until installation, and keep coated parts in their packaging until use; specific packing and preservation requirements can be stated on the order and confirmed at quotation.

Why can't I deburr or chamfer the mounting hole before installation?

The installation procedure is explicit: punch or drill the correct-size hole and do not deburr or perform any secondary operations. This is a stated condition of the procedure, not a suggestion — clinching seats the standoff by pressing it into the hole as prepared, and the sheet's own series pages describe the panel material cold-flowing into the clinching feature during that press. The procedure does not describe a deburred or reworked hole as an acceptable variant, so the safe reading is to follow the sequence as printed: correct-size hole, no secondary operations, pilot end in, parallel squeeze.

What tooling does installation require?

Two surfaces that stay parallel — a punch on one side of the sheet and an anvil on the other — squeezed together with a steady force until the standoff's flange contacts the sheet. The manufacturer's installation diagram depicts the suggested punch-and-anvil arrangement; the collected sheet specifies the parallelism and the steady-squeeze condition rather than a press model or a force value. Installation-force figures at specific sheet thicknesses are published per series on the CFSO and CFBSO series pages from the collected catalog, so a press sized for your part can be checked there.

Is the procedure different for the blind CFBSO series?

No — the installation sheet lists all six series (CFSO, CFSOS, CFSOA through-threaded; CFBSO, CFBSOS, CFBSOA blind) under one installation procedure: same hole preparation without deburring, same pilot-end-first placement from the punched side, same parallel punch-and-anvil squeeze until flange contact. What differs between the series is not the installation but the part: the blind standoffs close the far end to control screw penetration, come in different panel-hardness ceilings per material, and have their own geometry and performance tables — see the CFBSO, CFBSOS and CFBSOA pages.

What should accompany an RFQ so the right standoff ships installable?

State the series (through-threaded CFSO/CFSOS/CFSOA or blind CFBSO/CFBSOS/CFBSOA — or the metric BSO/BSOS/BSOA ladder), thread size, body size, nominal length, sheet material, thickness and hardness, and quantity per size, plus destination country. If your shop installs with a specific press, mention the sheet thickness so installation force can be checked against the tabulated rows. Commercial terms are confirmed at quotation.