Part Location Diagram of 660988001 Ryobi SCREW 5/16-18 X 9/16 IN.
See part 28 in the diagram
( Grid squares measure 1x1 inch )

SCREW 5/16-18 X 9/16 IN. 660988001

Manufactured by:
Ryobi
ERP Number:
ERP18698216
Part Number:
660988001
Original Equipment Manufacturer ?
On Order
Minimum Quantity of 2 required

Easy 

Less than 15 mins 

(4 rated repairs) ?

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Product Description

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This replacement blade screw is an authentic OEM part, not an aftermarket equivalent. It is used on Ridgid and Ryobi circular saws to secure the blade. This hex socket head screw can be install or remove with an allen wrench or a regular socket wrench. Please note, this piece of hardware is sold individually.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Ryobi
  • Ridgid
This part works with the following products:
  • Circular Saw
Part# 660988001 replaces these:
660988001,

Customer Part Reviews

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4.5
Average Rating (out of 5):
★★★★★
★★★★★
(6 Reviews)
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Questions & Answers

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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

Easy 

Less than 15 mins 

(4 rated repairs) ?
  • 1
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I purchased this saw at a yard sale, and these parts were missing

G. from Wooster, Ohio

3 of 3 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Wrench set
Parts Used:
660988001, 680775001, 611791001
Just replaced the missing parts
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Part missing from my circular saw.

Michael from Ferriday, Louisiana

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Wrench set
Parts Used:
660988001, 680775001, 202218001
I installed the missing outer blade washer and the blade screw. I ordered the edge guide kit for future use. Thank you
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Missing arbor nut/screw

Benjamin from Cottonwood Heights, Utah

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Nutdriver, Screw drivers, Socket set
Installed blade washers and blade screw and attached blade.
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Washer split in half

Gary from Herriman, Utah

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Socket set
Parts Used:
660988001, 692092001
Replaced the washer
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP18698216
Manufacturer Part Number: 660988001
Brand Model Number Description
Ryobi CSB124 Circular Saw - 7-1/4-In. Circular Saw
Ryobi CSB124G Circular Saw - 7-1/4-In. Circular Saw
Ryobi CSB125 Circular Saw - 7-1/4-In. Circular Saw
Ryobi CSB134L Circular Saw - 7-1/4-In. Circular Saw
Ryobi CSB135L Circular Saw - 7-1/4-In. Circular Saw
Ryobi CSB143LZK Circular Saw - 7-1/4-In. Circular Saw
Ryobi CSB144LZ Circular Saw - 7-1/4-In. Circular Saw
Ridgid R3202 Circular Saw - Circular Saw
Ridgid R32021 Circular Saw - Circular Saw