Metric (Trapezoidal) Screws and Nuts

Joyce/Dayton offers Metric screw and nut assemblies in a variety of screw leads and in diameters ranging from 20 mm up to 55 mm. Bronze nuts and steel flanges are available for each screw size. Complete assemblies include bearing blocks and finished machining on screw ends.

For additional support, fill out the Screw and Nut Selection Guide, or Contact Joyce/Dayton with your specific requirements.

METRIC SCREW & NUT SELECTIONS         
DIA- MM/ TURNTHREAD SCREW DESCRIPTIONSCREW LEADNUT (BRONZE)FLANGE & NUT ASSEMBLY
TR 20 - 5 R TS020R005A 5 TN020R005B TF020R005
TR 20 - 5 L TS020L005A 5 TN020L005B TF020L005
TR 22 - 5 R TS022R005A 5 TN022R005B TF022R005
TR 22 - 5 L TS022L005A 5 TN022L005B TF022L005
TR 26 - 6 R TS026R006A 6 TN026R006B TF026L006
TR 26 - 6 L TS026L006A 6 TN026L006B TF026L006
TR 30 - 6 R TS030R006A 6 TN030R006B TF030R006
TR 30 - 6 L TS030L006A 6 TN030L006B TF030R006
TR 40 - 9 R TS040R009A 9 TN040R009B TF040R009
TR 40 - 9 L TS040L009A 9 TN040L009B TF040L009
TR 55 - 12 R TS055R012A 12 TN055R012B TF055R012
TR 55 - 12 L TS055L012A 12 TN055L012B TF055L012

Note: Bearing blocks used in screw & nut assemblies may not not be rated for the same static load as the screw and nuts with which they are used. Contact Joyce/Dayton to verify that bearing blocks are adequately sized for the required loads.

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Sample Part Number:

Click on the part number to reveal additional informaton about jack designs and shaft codes.

Thread Form

T: Trapezoidal

Component

A: Assembly
S: Screw - without ball nut or bearing mounts

Screw Diameter - Thread direction - TPI (English)

Dia/mm per Turn Code
TR 20 - 5 020 R 005
TR 22 -5 022 R 005
TR 26 -6 026 R 006
TR 30 - 6 030 R 006
TR 40 - 9 040 R 009
TR 55 - 12 055 R 012

R – Right-hand – all thread diameters/leads are available with right hand threads
L – Left-hand *- Substitute an ”L” in the part number for left hand leads

 

Screw Material

A: Alloy Steel

First End of Screw

(Flange or threaded end of nut always faces second end)

Bearing Mount Options Machining Options (choose one that corresponds to the bearing block)
SB - Simple Single* 1N – Threaded shaft only
DB - Simple Double 2K –  Thd Shaft w Kwy, 2L – Thd Shaft no Kwy, 2N – Threaded shaft only
FB - Fixed Double 3K –  Thd Shaft w Kwy, 3L – Thd Shaft no Kwy, 3N – Threaded shaft only
XX - No Bearing 4K –  Shaft w Keyway, 4L – Shaft no Keyway, 4N – Support only, XX – No Machining

(When selecting ”XX – No Bearing”, choose from mounting options 1K through 4N  or XX, above)
* All Simple Single bearing mounts are designed for radial loads only

Second End of Screw

(Flange or threaded end of nut always faces away from second end)

Bearing Mount Options Machining Options (choose one that corresponds to the bearing block)
SB - Simple Single* 1N – Threaded shaft only
DB - Simple Double 2K –  Thd Shaft w Kwy, 2L – Thd Shaft no Kwy, 2N – Threaded shaft only
FB - Fixed Double 3K –  Thd Shaft w Kwy, 3L – Thd Shaft no Kwy, 3N – Threaded shaft only
XX - No Bearing 4K –  Shaft w Keyway, 4L – Shaft no Keyway, 4N – Support only, XX – No Machining

(When selecting ”XX – No Bearing”, choose from mounting options 1K through 4N  or XX, above)
* All Simple Single bearing mounts are designed for radial loads only

Nut Properties

B - Bronze
X - Do not include Nut in assembly

Other Options

F - Include Flange
X - Do not include flange

Screw Length 000.00"

Enter value in millimeters with decimal if needed
Note that available screw length varies among screw sizes.

 

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