Plastic Screws

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Number	SPE-C	SPA-F	SPT-H	SPA-C	SPT-N	SPT-W	SPEC-C	SPD-C	SPD-H
Name	Plastic Screw - Socket Head Cap Screws - PEEK	Plastic Screws - Cross Recessed Flat Head Machine Screws - RENY	Plastic Screw - Hex Head Screws - PTFE：Teflon	Plastic Screw - Socket Head Cap Screws - RENY	Plastic Screw - Hex Nuts / Washers - PTFE：Teflon	Plastic Screw - Hex Nuts / Washers - PTFE：Teflon	Plastic screw - Hex Socket Head Cap Screw - Conductive PEEK	Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SP-1）	Plastic Screw - Hex Head Screws - VESPEL（Grade：SP-1）
Material	PEEK	RENY	PTFE (Teflon)	RENY	PTFE (Teflon)	PTFE (Teflon)	PEEK	VESPEL® SP-1	VESPEL® SP-1
Surface Treatment	-	-	-	-	-	-	-	-	-
Size	M3 ～ M12	M2 ～ M8	M3 ～ M12	M3 ～ M12	M3 ～ M12	-	M4 ～ M6	M3 ～ M8	M3 ～ M8
Feature	Chemical Resistance Heat Resistance	High Strength	Chemical Resistance Heat Resistance Electrical Insulation	High Strength	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance Heat Resistance Electrical Insulation	Conductive PEEK	Heat Resistance Chemical Resistance Low Outgas	Heat Resistance Chemical Resistance Low Outgas

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Number	SPDC-C	SPDC-H	SPE-P	SPE-F	SPE-H	SPE-T	SPE-FT	SPE-LH	SPE-SH
Name	Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SCP-5000）	Plastic Screw - Hex Head Screws - VESPEL（Grade：SCP-5000）	Plastic Screws - Cross Recessed Pan Head Machine Screws - PEEK	Plastic Screw - Cross Recessed Flat Head Machine Screws - PEEK	Plastic Screw - Hex Head Screws - PEEK	Plastic Screw - Hex Socket Set Screws - PEEK	Plastic Screw - Socket Head Cap Screws - Full Thread - PEEK	Plastic Screw PEEK / Hexalobular Socket Head Cap Screw / Low Profile	Plastic Screw PEEK / Hexalobular Socket Head Cap Screw / Special Low Profile
Material	VESPEL® SCP-5000	VESPEL® SCP-5000	PEEK	PEEK	PEEK	PEEK	PEEK	PEEK	PEEK
Surface Treatment	-	-	-	-	-	-	-	-	-
Size	M3 ～ M8	M3 ～ M8	M1.7 ～ M8	M2 ～ M8	M4 ～ M12	M3 ～ M8	M3 ～ M6	M3 ～ M6	M3 ～ M6
Feature	Heat Resistance Chemical Resistance Low Outgas	Heat Resistance Chemical Resistance Low Outgas	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance Full Thread	Heat Resistance Chemical Resistance Low Profile Space Saving	Heat Resistance Chemical Resistance Low Profile Space Saving

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Number	SPE-LC	SPE-MC	SPE-MF	SPE-HB	SPE-N	SPE-P(INCH)	SPE-H(INCH)	SPE-C(INCH)	SPE-PS(INCH)
Name	Plastic screw - Hex Socket Low Head Bolt - PEEK	Plastic screw - Cross Recessed Pan Head Machine Screws for Precision Instruments - PEEK	Plastic Screw - Cross Recessed Flat Head Machine Screws for Precision Instruments - PEEK	Plastic Screws - Hex Posts - PEEK	Plastic Screw - Hex Nuts / Washers - PEEK	Plastic Screw - Cross Recessed Pan Head Machine Screw - PEEK - Inch Thread	Plastic Screw - Hex Head Screw - Inch Thread - PEEK	Plastic Screw - Hex Socket Head Cap Screw - Inch Thread - PEEK	Plastic Screw - Slotted Pan Head Machine Screw - PEEK - Inch Thread
Material	PEEK	PEEK	PEEK	PEEK	PEEK	PEEK	PEEK	PEEK	PEEK
Surface Treatment	-	-	-	-	-	-	-	-	-
Size	M3 ～ M6	M1.2 ～ M1.6	M1.2 ～ M1.6	M3 ～ M8	M2 ～ M10	No.2-56UNC ～ 1/4-20UNC	1/4-20UNC	No.4-40UNC ～ 1/4-20UNC	No.4-40UNC ～ No.10-32UNF
Feature	Heat Resistance Chemical Resistance Low Profile　Small Head	Heat Resistance Chemical Resistance For Precision Instruments	Chemical-proof Heat-resistant For precision equipment	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Heat Resistance Chemical Resistance	Chemical Resistance Heat Resistance	Chemical Resistance	Chemical Resistance

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Number	SPE-FS(INCH)	SPEG-P(INCH)	SPEG-C(INCH)	SPE-N(INCH)	SPE-W	SPE-R	SPFA-H	SPFA-N	SPVC-H
Name	Plastic Screw - Slotted Flat Head Machine Screw - PEEK - Inch Thread	Plastic Screw - Cross Recessed Pan Head Machine Screw - PEEK GF30 - Inch Thread	Plastic Screw - Hex Socket Head Cap Screw - Inch Thread - PEEK GF30	Plastic Screw - Hex Nut - Inch Thread - PEEK	Plastic Screw - Hex Nuts / Washers - PEEK	Plastic Screw - Socket Head Cap Screw Plugs - PEEK	Plastic Screws - Hex Head Screws - PFA	Plastic Screws - Hex Nuts - PFA	Plastic Screw - Hex Head Screws - H-PVC
Material	PEEK	PEEK	PEEK	PEEK	PEEK	PEEK	Perfluoroalkoxy Alkane	Perfluoroalkoxy Alkane	H-PVC (Rigid Polyvinyl Chloride)
Surface Treatment	-	-	-	-	-	-	-	-	-
Size	No.4-40UNC ～ No.10-32UNF	No.4-40UNC ～ No.6-32UNC	No.4-40UNC ～ No.6-32UNC	No.4-40UNC ～ No.8-32UNC	-	R1/8" ～ R3/8"	M4 ～ M8	M4 ～ M8	M4 ～ M6
Feature	Chemical Resistance	Chemical Resistance High Strength	Chemical Resistance Heat Resistance	Chemical Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Chemical Resistance

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Number	SPVC-N	SPVC-W	SPS-P	SPS-F	SPS-H	SPS-C	SPS-LH	SPS-SH	SPS-LC
Name	Plastic Screw - Cross Recessed Pan Head Machine Screws - PPS	Plastic Screw - Cross Recessed Pan Head Machine Screws - PPS	Plastic Screw - Cross Recessed Pan Head Machine Screws - PPS	Plastic Screws - Cross Recessed Flat Head Machine Screws - PPS	Plastic Screw - Hex Head Screws - PPS	Plastic Screw - Socket Head Cap Screws - PPS	Plastic Screw PPS / Hexalobular Socket Head Cap Screw / Low Profile	Plastic Screw PPS / Hexalobular Socket Head Cap Screw / Special Low Profile	Plastic screw - Hex Socket Low Head Bolt - PPS
Material	H-PVC (Rigid Polyvinyl Chloride)	H-PVC (Rigid Polyvinyl Chloride)	PPS	PPS	PPS	PPS	PPS	PPS	PPS
Surface Treatment	-	-	-	-	-	-	-	-	-
Size	M4 ～ M6	-	M2 ～ M6	M3 ～ M6	M4 ～ M12	M3 ～ M8	M3 ～ M6	M3 ～ M6	M3 ～ M6
Feature	Chemical Resistance	Chemical Resistance	Heat Resistance Chemical Resistance	Heat Resistance Chemical Resistance	Heat Resistance Chemical Resistance	Heat Resistance Chemical Resistance	Heat Resistance Chemical Resistance Low Profile Space Saving	Heat Resistance Chemical Resistance Low Profile Space Saving	Heat Resistance Chemical Resistance Low Profile　Small Head

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Number	SPS-N	SPS-W	SPA-P	SPA-P(INCH)	SPA-H	SPA-LH	SPA-SH	SPA-LC	SPA-Z
Name	Plastic Screw - Hex Nuts / Washers - PPS	Plastic Screw - Hex Nuts / Washers - PPS	Plastic Screw - Cross Recessed Pan Head Machine Screws - RENY	Plastic Screw - Cross Recessed Pan Head Machine Screw - RENY - Inch Thread	Plastic Screw - Hex Head Screws - RENY	Plastic Screw RENY / Hexalobular Socket Head Cap Screw / Low Profile	Plastic Screw RENY / Hexalobular Socket Head Cap Screw / Special Low Profile	Plastic screw - Hex Socket Low Head Bolt - RENY	Plastic Screws - Threaded Rods - RENY
Material	PPS	PPS	RENY	RENY	RENY	RENY	RENY	RENY	RENY
Surface Treatment	-	-	-	-	-	-	-	-	-
Size	M2 ～ M12	-	M1.7 ～ M8	No.4-40UNC	M5 ～ M16	M3 ～ M6	M3 ～ M6	M3 ～ M6	M6 ～ M16
Feature	Heat Resistance Chemical Resistance	Heat Resistance Chemical Resistance	High Strength	High Strength	High Strength	High Strength Low Profile Space Saving	High Strength Low Profile Space Saving	High Strength Low Profile Space Saving	High Strength

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Number	SPA-HA	SPA-MC	SPA-MF	SPA-N	SPA-W	SPC-P	SPC-F	SPC-H	SPC-C
Name	Plastic Screws - Hex Posts - RENY	Plastic screw - Cross Recessed Pan Head Machine Screws for Precision Instruments - RENY	Plastic Screw - Cross Recessed Flat Head Machine Screws for Precision Instruments - RENY	Plastic Screw - Hex Nuts / Washers - RENY	Plastic Screw - Hex Nuts / Washers - RENY	Plastic Screw - Cross Recessed Pan Head Machine Screws - PC	Plastic Screws - Phillips Cross Recessed Flat Head Machine Screws - PC	Plastic Screws - Hex Head Screws - PC	Plastic Screws - Hex Socket Head Cap Screws - PC
Material	RENY	RENY	RENY	RENY	RENY	PC	PC	PC	PC
Surface Treatment	-	-	-	-	-	-	-	-	-
Size	M3 ～ M4	M1.2 ～ M1.6	M1.2 ～ M1.6	M2 ～ M16	-	M1.7 ～ M8	M2 ～ M8	M4 ～ M8	M3 ～ M8
Feature	High Strength	High Strength For Precision Instruments	High strength For precision equipment	High Strength	High Strength	Shock Resistance Weather Resistance	Shock Resistance Weather Resistance	Shock Resistance Weather Resistance	Shock Resistance Weather Resistance

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Number	SPC-Z	SPC-N	SPC-W	SPP-H	SPP-N	SPP-W	SPV-H	SPV-C	SPV-N
Name	Plastic Screws - Threaded Rods - PC	Plastic Screw - Hex Nuts / Washers - PC	Plastic Screw - Hex Nuts / Washers - PC	Plastic Screw - Hex Head Screws - PP	Plastic Screw - Hex Nuts / Washers - PP	Plastic Screw - Hex Nuts / Washers - PP	Plastic Screws - Hex Head Screws - PVDF	Plastic Screw - Socket Head Cap Screws - PVDF	Plastic Screws - Hex Nuts / Washers - PVDF
Material	PC	PC	PC	PP	PP	PP	PVDF	PVDF	PVDF
Surface Treatment	-	-	-	-	-	-	-	-	-
Size	M6 ～ M8	M2 ～ M8	-	M4 ～ M12	M4 ～ M12	-	M4 ～ M12	M3 ～ M12	M3 ～ M12
Feature	Shock Resistance Weather Resistance	Shock Resistance Weather Resistance	Shock Resistance Weather Resistance	Chemical Resistance	Chemical Resistance	Chemical Resistance	Chemical Resistance	Chemical Resistance	Chemical Resistance

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Number	SPV-W	SPO-YB	SPO-YN	SPO-CN
Name	Plastic Screws - Hex Nuts / Washers - PVDF	Plastic Screws - Wing Bolts - POM	Plastic Screws - Wing Nuts - POM	Plastic Screws - Domed Cap Nuts - POM
Material	PVDF	Polyacetal	Polyacetal	Polyacetal
Surface Treatment	-	-	-	-
Size	-	M5 ～ M8	M4 ～ M8	M3 ～ M8
Feature	Chemical Resistance	-	-	-

Latest

Plastic Screw Property

This page describes "Plastic Screw Properties" such as PEEK, PTFE (Teflon), PPS, PC (polycarbonate) and PP (polypropylene).

Small screws are required 【Compact / lightweight】

Introducing a rich lineup of miniature screws and precision screws.

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Introducing screws using stainless steel/titanium screws with strength equivalent to steel for space and weight saving.

Screws must be protected from chemicals 【Energy-saving / reduced work-hours】

Introducing screws with excellent chemical resistance and screws with head coatings.

Helpful Resources

Advancements in Servomotor Coupling Technology

NEW！Wireless Positioning Units

Four advantages Wireless Positioning Units

The Wireless Positioning Unit dramatically improves setup work

A new generation of disk couplings

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

Custom made

Special specifications

Customization & Environmental Report

Advancements in Servomotor Coupling Technology

The Anti-Vibration Coupling with High Rigidity

Rotation shaft vibration must be suppressed 【Productivity increase】

Small screws are required 【Compact / lightweight】

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

Advancements in Servomotor Coupling Technology

The Anti-Vibration Coupling with High Rigidity

Plastic Screw Property

Vol. 12 Back to Basics Series! Screw Reference Dimensions

Vol. 11 Back to Basics Series! Introducing Various Types of Screws

Hints for correctly using NBK products: Retractable revolving grip

Hints for correctly using NBK products: Set Collars

Hints for correctly using NBK products: Captive Series (relief-cut thread)

Hints for correctly using NBK products: Scale Plate (Half scale)

Only takes two minutes to understand! Wireless Positioning Unit (EPU-100・ EPC-100) Connection/Operating Method

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection

Procedure of Selection (Actuator)

Procedure of Selection

How to Check the Screw Tightening Torque

How to Adjust the Alignment

Shaft Insertion Amount When Assembling the Coupling and Single-axis Actuator

Mounting and Maintenance

Flexus【Muilti-Functional Machined Slotted Springs】

Rotation shaft vibration must be suppressed 【Productivity increase】

Servomotor hunting must be suppressed 【Productivity increase】

Screws in places unreachable by hand need to be tightened 【Workability / maintenance】

Stainless steel screws must be prevented from galling / seizing 【Workability / maintenance】

Hints for correctly using NBK products: Retractable revolving grip

Countermeasures for screw loosening are required 【Safety / precautionary measures】

Theft / tampering countermeasures are required 【Safety / precautionary measures】

Improvement points for FA Devices【Drive Design】

Disturbances / vibrations must be suppressed 【Safety / precautionary measures】

Machining marks must be prevented 【Energy-saving / reduced work-hours】

Screws must be protected from chemicals 【Energy-saving / reduced work-hours】

Improvement points for FA Devices【Control Design】

Solving common issues with Machine Tools（Machining Center）

Improvement points for FA Devices【Unit Design】

Flexus【Muilti-Functional Machined Slotted Springs】

Improvement points for FA Devices【Drive Design】

Improvement points for FA Devices【Control Design】

Solving common issues with Medical Equipment（CT scan / MRI）

Solving common issues with Machine Tools（Machining Center）

Flexus【Muilti-Functional Machined Slotted Springs】

Hints for correctly using NBK products: Retractable revolving grip

Small screws are required 【Compact / lightweight】

Screws with high strength are required even in environments where steel cannot be used 【Compact / lightweight】

350% instantaneous maximum torque needs to be handled 【Compact / lightweight】

Flexus【Muilti-Functional Machined Slotted Springs】

NBK SPECIAL SCREWS

Designs and Examples of What NBK Can Create

Custom made

Special specifications

Flexus【Muilti-Functional Machined Slotted Springs】

Improved reproducibility of the main column / reference position is required 【High rigidity / high accuracy】

Solving common issues with Machine Tools（Machining Center）

Stable speed control of the raising / lowering shaft is required 【High rigidity / high accuracy】

Solving common issues with Semiconductor Manufacturing Equipment（Post-Process）

Flexus【Muilti-Functional Machined Slotted Springs】

Advancements in Servomotor Coupling Technology

The Anti-Vibration Coupling with High Rigidity

Plastic Screw Property

Hints for correctly using NBK products: Retractable revolving grip

Flexus【Muilti-Functional Machined Slotted Springs】

Advancements in Servomotor Coupling Technology

The Anti-Vibration Coupling with High Rigidity

Plastic Screw Property

Hints for correctly using NBK products: Retractable revolving grip

Flexus【Muilti-Functional Machined Slotted Springs】

Vol. 9　Sudden Bolt "Delayed Fracture"