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Flexco - Partners in Productivity

Flexco® Size R5 1/2 Fasteners

  • R5 1/2 Vertical
  • R5 1/2 Strip

Flexco® Size R5 1/2 Fasteners

Ideal as an upgrade to Size R5 fasteners or in applications where pulley size prohibits the use of R6.

Fastener Details

  • Design: Staggered five-rivet pattern, Scalloped Edge™
  • Belt Thickness: 5/16” to 19/32” (8 mm to 15 mm)
  • Minimum Pulley Diameter: 12” (300 mm)
  • Maximum PIW: 650 (114 kN/m)
  • Belt Widths: 18”, 24”, 30”, 36”, 42”, 48”, 54”, 60”, 72” (300 mm, 450 mm, 600 mm, 750 mm, 900 mm, 1350 mm, 1500 mm)
  • Metal Selection: Steel, MegAlloy®, RustAlloy®
  • Rivet Selection: Individual or collated, steel or stainless steel
  • Installation Method: Hammer or power tool and applicator tool
  • Products
  • Specifications
  • Instructions
  • Sales Support
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Fasteners(19)
Hinge Pins(61)
Rivets(41)
Installation Tools(30)
Replacement Parts(58)
Accessories(6)
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Rivet Selection Chart

Fastener Size

 Belt Thickness Range Rivet Size
  in. mm
R2 1/8-7/32 3-6 SRAA

3/16-5/16

4-8

 SRA

9/32-3/8

7-10

 SRB
R5

7/32-5/16

6-8

SRA

9/32-3/8

7-10

 SRB

11/32-7/16

9-11

 SRC

13/32-7/16

10.5-11

 SRC/D
R5-1/2 & R6LP

5/16-11/32

8-9

 SRB

5/16-13/32

8-10.5

 SRC

3/8-15/32

10-12

 SRC/D

7/16-17/32

11-13.5

 SRD

1/2-19/32

13-15

 SRE

9/16-21/32

14-16.5

 SRF*

5/8-23/32

16-18

 SRG*
R6

11/32-7/16

9-11

SRC/D

13/32-1/2

10.5-13

SRD

15/32-9/16

12-14

SRE

17/32-5/8

13.5-16

SRF

19/32-11/16

15-17

SRG
R8

13/32-7/16

10.5-11

SRC/D

13/32-1/2

10.5-13

SRD

15/32-9/16

12-14

SRE

17/32-5/8

13.5-16

SRF

19/32-11/16

15-17

SRG
R9

19/32-11/16

16-17

SRG

21/32-3/4

16.5-19

SRH

23/32-13/16

18-21

SRI

25/32-7/8

20-22

SRJ**

27/32-15/16

21-24

SRK**

*Applies to RAR6LP only
** Use with 3/4” diameter hinge pin

Rivets Required for one R5-1/2 Joint
Belt Width Rivets
Required
in. mm
18 450 40
24 600 52
30 750 64
36 900 80
42 1050 92
48 1200 108
54 1350 120
60 1500 136
72 1800 410
84 2130 480

 

Plates Required for one R5-1/2MA Joint (MegaAlloy®)
Belt Width Plates
Required
in. mm
18 450 20
24 600 26
30 750 32
36 900 40
42 1050 46
48 1200 54
54 1350 60
60 1500 68
72 1800 82

 

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