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 StylePart NumberReceptacleGrip Range (mm)MaterialFinish
Hex Head Slotted Recess991S01-1-1AGV
Rivet/Screw Mounting
Clip-On
0.90-1.65Steel/Zinc PlatedCrVI-free passivated

991S01-2-1AGV
Rivet/Screw Mounting
Clip-On
1.65-2.40Steel/Zinc PlatedCrVI-free passivated

991S01-3-1AGV
Rivet/Screw Mounting
Clip-On
2.40-3.15Steel/Zinc PlatedCrVI-free passivated

991S01-4-1AGV
Rivet/Screw Mounting
Clip-On
3.15-3.95Steel/Zinc PlatedCrVI-free passivated

991S01-5-1AGV
Rivet/Screw Mounting
Clip-On
3.95-4.70Steel/Zinc PlatedCrVI-free passivated

991S01-6-1AGV
Rivet/Screw Mounting
Clip-On
4.70-5.45Steel/Zinc PlatedCrVI-free passivated

991S01-7-1AGV
Rivet/Screw Mounting
Clip-On
5.45-6.20Steel/Zinc PlatedCrVI-free passivated

991S01-8-1AGV
Rivet/Screw Mounting
Clip-On
6.20-7.00Steel/Zinc PlatedCrVI-free passivated

991S01-9-1AGV
Rivet/Screw Mounting
Clip-On
7.00-7.75Steel/Zinc PlatedCrVI-free passivated

991S01-10-1AGV
Rivet/Screw Mounting
Clip-On
7.75-8.50Steel/Zinc PlatedCrVI-free passivated

991S01-11-1AGV
Rivet/Screw Mounting
Clip-On
8.50-9.25Steel/Zinc PlatedCrVI-free passivated

991S01-12-1AGV
Rivet/Screw Mounting
Clip-On
9.25-10.05Steel/Zinc PlatedCrVI-free passivated

991S01-13-1AGV
Rivet/Screw Mounting
Clip-On
10.05-10.80Steel/Zinc PlatedCrVI-free passivated

991S01-14-1AGV
Rivet/Screw Mounting
Clip-On
10.80-11.55Steel/Zinc PlatedCrVI-free passivated

991S01-15-1AGV
Rivet/Screw Mounting
Clip-On
11.55-12.30Steel/Zinc PlatedCrVI-free passivated

991S01-16-1AGV
Rivet/Screw Mounting
Clip-On
12.30-13.10Steel/Zinc PlatedCrVI-free passivated

991S01-17-1AGV
Rivet/Screw Mounting
Clip-On
13.10-13.85Steel/Zinc PlatedCrVI-free passivated

991S01-18-1AGV
Rivet/Screw Mounting
Clip-On
13.85-14.60Steel/Zinc PlatedCrVI-free passivated

991S01-19-1AGV
Rivet/Screw Mounting
Clip-On
14.60-15.35Steel/Zinc PlatedCrVI-free passivated
991S01-20-1AGV
Rivet/Screw Mounting
Clip-On
15.35-16.15Steel/Zinc PlatedCrVI-free passivated

Hex Head Slotted Recess

hd_hex_head_slotted_recess.jpg

Longer stud lengths are available, please contact the office for more information


Head StylePart NumberReceptacleGrip Range (mm)MaterialFinish
Fixed Wing Head991S02-1-1AGV
Rivet/Screw Mounting
Clip-On
0.90-1.65Steel/Zinc PlatedCrVI-free passivated

991S02-2-1AGV
Rivet/Screw Mounting
Clip-On
1.65-2.40Steel/Zinc PlatedCrVI-free passivated

991S02-3-1AGV
Rivet/Screw Mounting
Clip-On
2.40-3.15Steel/Zinc PlatedCrVI-free passivated

991S02-4-1AGV
Rivet/Screw Mounting
Clip-On
3.15-3.95Steel/Zinc PlatedCrVI-free passivated

991S02-5-1AGV
Rivet/Screw Mounting
Clip-On
3.95-4.70Steel/Zinc PlatedCrVI-free passivated

991S02-6-1AGV
Rivet/Screw Mounting
Clip-On
4.70-5.45Steel/Zinc PlatedCrVI-free passivated

991S02-7-1AGV
Rivet/Screw Mounting
Clip-On
5.45-6.20Steel/Zinc PlatedCrVI-free passivated

991S02-8-1AGV
Rivet/Screw Mounting
Clip-On
6.20-7.00Steel/Zinc PlatedCrVI-free passivated

991S02-9-1AGV
Rivet/Screw Mounting
Clip-On
7.00-7.75Steel/Zinc PlatedCrVI-free passivated

991S02-10-1AGV
Rivet/Screw Mounting
Clip-On
7.75-8.50Steel/Zinc PlatedCrVI-free passivated

991S02-11-1AGV
Rivet/Screw Mounting
Clip-On
8.50-9.25Steel/Zinc PlatedCrVI-free passivated

991S02-12-1AGV
Rivet/Screw Mounting
Clip-On
9.25-10.05Steel/Zinc PlatedCrVI-free passivated

991S02-13-1AGV
Rivet/Screw Mounting
Clip-On
10.05-10.80Steel/Zinc PlatedCrVI-free passivated

991S02-14-1AGV
Rivet/Screw Mounting
Clip-On
10.80-11.55Steel/Zinc PlatedCrVI-free passivated

991S02-15-1AGV
Rivet/Screw Mounting
Clip-On
11.55-12.30Steel/Zinc PlatedCrVI-free passivated

991S02-16-1AGV
Rivet/Screw Mounting
Clip-On
12.30-13.10Steel/Zinc PlatedCrVI-free passivated

991S02-17-1AGV
Rivet/Screw Mounting
Clip-On
13.10-13.85Steel/Zinc PlatedCrVI-free passivated

991S02-18-1AGV
Rivet/Screw Mounting
Clip-On
13.85-14.60Steel/Zinc PlatedCrVI-free passivated

991S02-19-1AGV
Rivet/Screw Mounting
Clip-On
14.60-15.35Steel/Zinc PlatedCrVI-free passivated

991S02-20-1AGV
Rivet/Screw Mounting
Clip-On
15.35-16.15Steel/Zinc PlatedCrVI-free passivated

Fixed Wing Head

hd_fixed_wing_head.jpg

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