Chouinard Number 8 Hex

Object/Artifact

-

Yosemite Climbing Museum

1972 asymmetrical Hex threaded with purple Perlon.

1972 asymmetrical Hex threaded with purple Perlon.

Name/Title

Chouinard Number 8 Hex

Entry/Object ID

2026.1.67

Description

An asymmetrical number 8 hex manufactured by Chouinard Equipment

Use

Designed to fit into narrow, tapered rock cracks, locking securely when weighted

Context

This is a second edition of a Number 8 hex, produced and sold in 1972. They modified the symmetrical first edition that was produced in 1971, so that the asymmetrical design could fit in a wider variety of cracks. Hexes and stoppers were the "workhorse" of the early 1970s climbing hardware.

Collection

Yosemite Climbing Museum Permanent Collection

Category

Climbing Hardware, Nuts/Chocks

Acquisition

Accession

2026.1

Notes

Unknown, possibly from Ken Yager's rack.

Made/Created

Manufacturer

Chouinard Equipment

Date made

circa 1972

Inscription/Signature/Marks

Type

Makers Mark

Location

underneath the nylon on top of the hex

Transcription

The number 8

Dimensions

Dimension Description

Entire Rope with Nut

Length

10-3/4 in

Dimension Description

Hex Nut

Width

2-1/8 in

Diameter

1-3/4 in

Material

Nylon, Aluminum

Location

Location

Display Case

Exhibit Case 10

Date

January 29, 2026

Web Links and URLs

https://vimeo.com/1165231679/137d69ae91

Provenance

Provenance Detail

Unknown

General Notes

Note Type

Cataloging Note

Note

Caption in the museum is: "1972 asymmetrical Hex threaded with purple Perlon."

Create Date

January 29, 2026

Update Date

February 16, 2026