991F Series
991F Series heavy duty quarter turn fastener studs are available in a range of head styles and sizes.
View the tables below, select your preferred head style and click on a part number for more information.
N.B When selecting a quarter turn fastener assembly it is essential to know the grip range of your application.
Panel (P) + Frame (F) = Grip (G)
Selecting the Fastener
P = Panel Thickness
F = Frame Thickness
G = Total thickness/Grip (P + F) as well as possible gaskets, paint thickness or gaps. This dimension gives the stud length number in the corresponding series tables.
Rivet, Screw and Weld Mounting Receptacle
Clip-On Receptacle
991F Series Features
- Max. tensile strength 10000 N, working load 7000 N
- High tensile strength and preload
- Receptacle options
- Wide range of stud head styles
| Head Style | Part Number | Receptacle | Grip Range (mm) | Material | Finish |
| Hex Head Slotted Recess | 991S01-1-1AGV | Rivet/Screw Mounting Clip-On | 0.90-1.65 | Steel/Zinc Plated | CrVI-free passivated |
| 991S01-2-1AGV | Rivet/Screw Mounting Clip-On | 1.65-2.40 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-3-1AGV | Rivet/Screw Mounting Clip-On | 2.40-3.15 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-4-1AGV | Rivet/Screw Mounting Clip-On | 3.15-3.95 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-5-1AGV | Rivet/Screw Mounting Clip-On | 3.95-4.70 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-6-1AGV | Rivet/Screw Mounting Clip-On | 4.70-5.45 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-7-1AGV | Rivet/Screw Mounting Clip-On | 5.45-6.20 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-8-1AGV | Rivet/Screw Mounting Clip-On | 6.20-7.00 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-9-1AGV | Rivet/Screw Mounting Clip-On | 7.00-7.75 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-10-1AGV | Rivet/Screw Mounting Clip-On | 7.75-8.50 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-11-1AGV | Rivet/Screw Mounting Clip-On | 8.50-9.25 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-12-1AGV | Rivet/Screw Mounting Clip-On | 9.25-10.05 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-13-1AGV | Rivet/Screw Mounting Clip-On | 10.05-10.80 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-14-1AGV | Rivet/Screw Mounting Clip-On | 10.80-11.55 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-15-1AGV | Rivet/Screw Mounting Clip-On | 11.55-12.30 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-16-1AGV | Rivet/Screw Mounting Clip-On | 12.30-13.10 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-17-1AGV | Rivet/Screw Mounting Clip-On | 13.10-13.85 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-18-1AGV | Rivet/Screw Mounting Clip-On | 13.85-14.60 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-19-1AGV | Rivet/Screw Mounting Clip-On | 14.60-15.35 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S01-20-1AGV | Rivet/Screw Mounting Clip-On | 15.35-16.15 | Steel/Zinc Plated | CrVI-free passivated |
Hex Head Slotted Recess
Longer stud lengths are available, please contact the office for more information
| Head Style | Part Number | Receptacle | Grip Range (mm) | Material | Finish |
| Fixed Wing Head | 991S02-1-1AGV | Rivet/Screw Mounting Clip-On | 0.90-1.65 | Steel/Zinc Plated | CrVI-free passivated |
| 991S02-2-1AGV | Rivet/Screw Mounting Clip-On | 1.65-2.40 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-3-1AGV | Rivet/Screw Mounting Clip-On | 2.40-3.15 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-4-1AGV | Rivet/Screw Mounting Clip-On | 3.15-3.95 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-5-1AGV | Rivet/Screw Mounting Clip-On | 3.95-4.70 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-6-1AGV | Rivet/Screw Mounting Clip-On | 4.70-5.45 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-7-1AGV | Rivet/Screw Mounting Clip-On | 5.45-6.20 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-8-1AGV | Rivet/Screw Mounting Clip-On | 6.20-7.00 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-9-1AGV | Rivet/Screw Mounting Clip-On | 7.00-7.75 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-10-1AGV | Rivet/Screw Mounting Clip-On | 7.75-8.50 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-11-1AGV | Rivet/Screw Mounting Clip-On | 8.50-9.25 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-12-1AGV | Rivet/Screw Mounting Clip-On | 9.25-10.05 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-13-1AGV | Rivet/Screw Mounting Clip-On | 10.05-10.80 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-14-1AGV | Rivet/Screw Mounting Clip-On | 10.80-11.55 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-15-1AGV | Rivet/Screw Mounting Clip-On | 11.55-12.30 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-16-1AGV | Rivet/Screw Mounting Clip-On | 12.30-13.10 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-17-1AGV | Rivet/Screw Mounting Clip-On | 13.10-13.85 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-18-1AGV | Rivet/Screw Mounting Clip-On | 13.85-14.60 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-19-1AGV | Rivet/Screw Mounting Clip-On | 14.60-15.35 | Steel/Zinc Plated | CrVI-free passivated | |
| 991S02-20-1AGV | Rivet/Screw Mounting Clip-On | 15.35-16.15 | Steel/Zinc Plated | CrVI-free passivated |
Fixed Wing Head
Longer stud lengths are available, please contact the office for more information
Other head styles for the 991F Series are also available.
Select a style from the options below for more information.
Offset Fixed Wing Head
180Ā° Folding Wing Head
Hex Recess Head
Folding Bail Handle
