HYTORC Washer

Torque Washer

Fasteners

The HYTORC Washer is the simplest upgrade for instant improvements in safety, speed and accuracy. This unique, patented system eliminates the need for cumbersome reaction arms and other custom fixtures required to hold the tool in place, improving workflow and efficiency. Additionally, the precision machined surface reduces variation in bolt load for improved accuracy and loosening prevention.

Safety

No more pinch points. The HYTORC Reaction Washer eliminates the need for reaction arms, which are the most common cause of injury on bolting jobs. The unique design of the washer allows the dual socket driver to react on the washer, while turning the nut.

Speed

The HYTORC Reaction Washer speeds up any job by eliminating the need to find a reaction point, so you don’t have to waste your valuable time trying to find a safe reaction point for the tool.

Accuracy

The HYTORC Washer System ensures optimal axial tool alignment, resulting in improved repeatability, reduced bolt load scatter, and increased accuracy. Your bolting operations have never been this accurate.

ASTM Organizational Member

AS an ASTM Organizational member, HYTORC is proud to have been a leading contributor to the new ASTM F3394/F3394 M Standard.

ASTM F3394/F3394M Standard Specification for Hardened Washers

The HYTORC Washer is manufactured in accordance with the requirements in the ASTM F3394/F3394M Standard Specification for Hardened Steel Backup and Reaction Washers. This standard covers general-purpose mechanical and structural use of washers with bolts, nuts, studs, Direct Tension Indicators and other threaded fasteners.

Documentation

torque washers
torque washer
no reaction arm
no reaction arm

Imperial

Metric

Nominal Reaction Washer Dimensions (Inch)

Bolt Part No. Inside Diameter (ID) Outside Diameter (OD) Thickness (T)
1/2" ZRW008 0.531" 1.118" 0.123"
9/16" ZRW009 0.625" 1.219" 0.123"
5/8" ZRW010 0.688" 1.432" 0.13"
3/4" ZRW012 0.813" 1.6" 0.152"
7/8" ZRW014 0.938" 1.865" 0.152"
1" ZRW100 1.063" 2.057" 0.158"
1-1/8" ZRW102-M30 1.241" 2.307" 0.19"
1-1/4" ZRW104-M33 1.346" 2.492" 0.19"
1-3/8" ZRW106-M36 1.497" 2.742" 0.19"
1-1/2" ZRW108-M39 1.592" 2.928" 0.19"
1-5/8" ZRW110-M42 1.703" 3.179" 0.245"
1-3/4" ZRW112-M45 1.823" 3.355" 0.245"
1-7/8" ZRW114-M48 1.977" 3.617" 0.245"
2" ZRW200-M52 2.135" 3.787" 0.245"
2-1/4" ZRW204-M56 2.341" 4.28" 0.298"
2-1/2" ZRW208-M64 2.662" 4.768" 0.335"
2-3/4" ZRW212 2.863" 5.265" 0.335"
3" ZRW300 3.117" 5.595" 0.405"

Nominal Reaction Washer Dimensions (mm)

Bolt Part No. Inside Diameter (ID) Outside Diameter (OD) Thickness (T)
M14 ZRW-M14 15 28.4 3.1
M16 ZRW-M16 17.1 31 3.1
M18 ZRW-M18 19.4 36.4 3.1
M20 ZRW-M20 21.2 37 3.3
M22 ZRW-M22 23.2 40.6 3.3
M24 ZRW-M24 25.5 47.4 4
M27 ZRW-M27 28.8 52.2 4
M30 ZRW102-M30 31.5 58.6 4.8
M33 ZRW104-M33 34.2 63.3 4.8
M36 ZRW106-M36 38 69.6 4.8
M39 ZRW108-M39 40.4 74.4 4.8
M42 ZRW110-M42 43.3 80.7 6.2
M45 ZRW112-M45 46.3 85.2 6.2
M48 ZRW114-M48 50.2 91.9 6.2
M52 ZRW200-M52 54.2 96.2 6.2
M56 ZRW204-M56 59.5 108.7 7.6
M60 ZRW-M60 64.1 108.7 7.6
M64 ZRW208-M64 67.6 121.1 8.5
M68 ZRW-M68 70.2 121.1 8.5
M72 ZRW-M72 73.9 133.7 8.5
M76 ZRW-M76 78 133.7 8.5
M80 ZRW-M80 82 142.1 10.3