Ladder Vertical Lifeline System Components
SS4820_1 Stainless Steel 316 Jaw and Jaw Turnbuckle
The SS4820_1 is a stainless steel 316 jaw and jaw turnbuckle for tensioning wire rope lifelines and rigging. Seven sizes are listed from M5 to M16, each with minimum and maximum lengths.

Key features
- Jaw and jaw turnbuckle
- Stainless steel 316
- Seven sizes from M5 to M16
- Length range from 130–190 mm to 310–450 mm
Specifications
| Property | Value |
|---|---|
| Material | Stainless steel 316 |
| Size 5 | d1 M5, d2 5 mm, m 7 mm, Lmax 190 mm, Lmin 130 mm |
| Size 6 | d1 M6, d2 6.5 mm, m 7 mm, Lmax 210 mm, Lmin 140 mm |
| Size 8 | d1 M8, d2 8 mm, m 8 mm, Lmax 240 mm, Lmin 165 mm |
| Size 10 | d1 M10, d2 9.5 mm, m 10 mm, Lmax 270 mm, Lmin 190 mm |
| Size 12 | d1 M12, d2 12.7 mm, m 14 mm, Lmax 360 mm, Lmin 245 mm |
| Size 14 | d1 M14, d2 12.7 mm, m 14 mm, Lmax 385 mm, Lmin 260 mm |
| Size 16 | d1 M16, d2 12.7 mm, m 16 mm, Lmax 450 mm, Lmin 310 mm |
Product details
Made in stainless steel 316, the SS4820_1 jaw and jaw turnbuckle is listed in seven sizes with their adjustment ranges. The size 5 turnbuckle (M5 thread) adjusts between Lmin 130 mm and Lmax 190 mm. The size 8 (M8) runs from 165 mm to 240 mm, the size 12 (M12) from 245 mm to 360 mm, and the size 16 (M16) from 310 mm to 450 mm. Pin diameter d2 and jaw dimension m for every size are listed in the specification table.
A turnbuckle with jaws at both ends connects by pins to eye plates, tabs, shackles or terminal fittings, and its threaded body is turned to tension the cable. It is used on horizontal and vertical lifelines, guard and balustrade cables, rigging and marine applications, and grade 316 suits salt and chemical exposure.
Buyers should confirm the adjustment range they need, the pin size and jaw width against the mating hardware, and the locking method after tensioning. The SS4820_1 can be supplied as OEM or private label, or modified to a customer drawing.
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