Heat Resistance

These screws are highly heat-resistant among metal and plastic screws.
They can be used in high-temperature environments where there is a high risk of reduced screw strength or breakage.

Heat-Resistance_1en

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Part Name	Hex Socket Head Cap Screw with Special Low Profile (SUS316L, with Ventilation Hole)	Socket Head Cap Screw - Low Profile - SUS316L	Socket Head Cap Screw with Special Low Profile - Stainless Steel	Hex Socket Head Cap Screws with Special Low Profile (SUS316L / Cleanroom Washing/Cleanroom Packing)	Hex Socket Head Cap Screws (SUS316L)	Hex Socket Head Cap Screws (SUS316L / Cleanroom Washing/Cleanroom Packing)	Socket Head Cap Captive Screws - SUS316L	Socket Head Cap Captive Screws - High Intensity Stainless Steel	Socket Head Cap Captive Screws with Low Profile - SUS316L
Part Number	SVSHL	SLHL	SSHL	SSHL-UCL	SNSL	SNSL-UCL	SSC-SNSL	SSC-SNSLG	SSC-SLHL
Feature	Special Low Profile Small Space	Low Profile Small Space	Special Low Profile Small Space	Special Low Profile Space-saving Cleanroom Washing/Cleanroom Packing Provided	Heat Resistance Corrosion Resistance Nonmagnetic	Cleanroom Washing/Cleanroom Packing Provided	Non-magnetic Chemical Resistance Heat Resistance Captive/Loss Prevention	High Strength (Strength Class 10.8 Equivalent) Heat Resistance Corrosion Resistance Non-magnetic Captive/Loss Prevention	Low Profile Small Space Captive/Loss Prevention
Material	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L
Surface Treatment	-	-	-	-	-	-	-	-	-
Thread Size	M3 ～ M5	M3 ～ M6	M3 ～ M5	M3 ～ M5	M2 ～ M8	M3 ～ M6	M3 ～ M8	M3 ～ M6	M3 ～ M6
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SVSHL-M3 SVSHL-M4 SVSHL-M5	SLHL-M3 SLHL-M4 SLHL-M5 SLHL-M6	SSHL-M3 SSHL-M4 SSHL-M5	SSHL-M3-UCL SSHL-M4-UCL SSHL-M5-UCL	SNSL-M2 SNSL-M2.5 SNSL-M3 SNSL-M4 SNSL-M5 SNSL-M6 SNSL-M8	SNSL-M3-UCL SNSL-M4-UCL SNSL-M5-UCL SNSL-M6-UCL	SSC-SNSL-M3 SSC-SNSL-M4 SSC-SNSL-M5 SSC-SNSL-M6 SSC-SNSL-M8	SSC-SNSLG-M3 SSC-SNSLG-M4 SSC-SNSLG-M5 SSC-SNSLG-M6	SSC-SLHL-M3 SSC-SLHL-M4 SSC-SLHL-M5 SSC-SLHL-M6

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Part Name	Vented Socket Head Cap Screws with Small Head - 316L Stainless Steel	Socket Head Cap Screws with Ultra Low Small Head - 316L Stainless Steel	Vented Socket Head Cap Screws with Ultra Low Small Head - 316L Stainless Steel	Hexagon Head Captive Screws - SUS316L	Phillips Pan Head Captive Screws - SUS316L	Phillips Truss Head Captive Screws - SUS316L	Socket Head Cap Screws - SUS310S	Hex Nut - SUS310S	Washer - SUS310S
Part Number	SVSL-SD	SSHL-SD	SVSHL-SD	SSC-SNHL	SSCPL	SSCML	SNSJ	SHNJ	SWAJ-F
Feature	Small Head Corrosion Resistance Non-magnetic	Special Low Profile Small Head Space-saving Non-magnetic	Special Low Profile Small Head Space-saving Non-magnetic	Hex Head Captive Screws Captive/Loss Prevention	Pan Head Machine Screws Captive/Loss Prevention	Truss Machine Screws Captive/Loss Prevention	Heat Resistance Chemical Resistance	Heat Resistance Chemical Resistance	Heat Resistance Chemical Resistance
Material	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS316L	SUS310S	SUS310S	SUS310S
Surface Treatment	-	-	-	-	-	-	-	-	-
Thread Size	M2 ～ M8	M3 ～ M5	M3 ～ M5	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M10	M3 ～ M10	M3 ～ M10
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SVSL-M2-SD SVSL-M3-SD SVSL-M4-SD SVSL-M5-SD SVSL-M6-SD SVSL-M8-SD	SSHL-M3-SD SSHL-M4-SD SSHL-M5-SD	SVSHL-M3-SD SVSHL-M4-SD SVSHL-M5-SD	SSC-SNHL-M3 SSC-SNHL-M4 SSC-SNHL-M5 SSC-SNHL-M6 SSC-SNHL-M8	SSCPL-M3 SSCPL-M4 SSCPL-M5 SSCPL-M6 SSCPL-M8	SSCML-M3 SSCML-M4 SSCML-M5 SSCML-M6 SSCML-M8	SNSJ-M10 SNSJ-M3 SNSJ-M4 SNSJ-M5 SNSJ-M6 SNSJ-M8	SHNJ-M10 SHNJ-M3 SHNJ-M4 SHNJ-M5 SHNJ-M6 SHNJ-M8	SWAJ-10-F SWAJ-3-F SWAJ-4-F SWAJ-5-F SWAJ-6-F SWAJ-8-F

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Part Name	Socket Head Cap Screws - SUH660	Socket Head Cap Screw -Inconel equiv.	Hex Socket Head Cap Screws (Inconel equiv.) with Ventilation Hole	Inconel Hex Nut	Inconel Washer	Hex Socket Head Cap Screws - Nickel	Hex Socket Head Cap Screws - Molybdenum	Molybdenum Hex Socket Head Cap Screws with Ventilation Hole	Hex Nuts - Molybdenum
Part Number	SNSU-AT	SNSI	SVSI	SHNI	SWAI-F	SNSN	SNSM	SVSM	SHNM
Feature	Heat Resistance High Strength High Specific Strength	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	Heat Resistance	Heat Resistance	Heat Resistance
Material	SUH660	Inconel equiv.	Inconel equiv.	Inconel equiv.	Inconel equiv.	Pure Nickel (Ni 99.0%)	Pure molybdenum	Pure molybdenum	Pure molybdenum
Surface Treatment	-	-	-	-	-	-	-	-	-
Thread Size	M3 ～ M6	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SNSU-M3-AT SNSU-M4-AT SNSU-M5-AT SNSU-M6-AT	SNSI-M3 SNSI-M4 SNSI-M5 SNSI-M6 SNSI-M8	SVSI-M3 SVSI-M4 SVSI-M5 SVSI-M6 SVSI-M8	SHNI-M3 SHNI-M4 SHNI-M5 SHNI-M6 SHNI-M8	SWAI-3-F SWAI-4-F SWAI-5-F SWAI-6-F SWAI-8-F	SNSN-M3 SNSN-M4 SNSN-M5 SNSN-M6 SNSN-M8	SNSM-M3 SNSM-M4 SNSM-M5 SNSM-M6 SNSM-M8	SVSM-M3 SVSM-M4 SVSM-M5 SVSM-M6 SVSM-M8	SHNM-M3 SHNM-M4 SHNM-M5 SHNM-M6 SHNM-M8

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Part Name	Washers - Molybdenum	Slotted Cheese Head Machine Screws (Pure Tungsten)	Slotted Cheese Head Machine Screws (Silicon Carbide)	Ceramic Hex Socket Head Cap Bolts	Ceramic Hex Head Bolts	Hex Nuts - Ceramic	Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SP-1）	Plastic Screw - Hex Head Screws - VESPEL（Grade：SP-1）	Plastic Screw - Socket Head Cap Screws - VESPEL（Grade：SCP-5000）
Part Number	SWAM-F	SNCW	SICX-SX	SCX-C	SCX-H	SCX-N	SPD-C	SPD-H	SPDC-C
Feature	Heat Resistance	Chemical Resistance	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance Heat Resistance Electrical Insulation	Heat Resistance Chemical Resistance Low Outgas	Heat Resistance Chemical Resistance Low Outgas	Heat Resistance Chemical Resistance Low Outgas
Material	Pure molybdenum	Tungsten	Silicon Carbide (SiC)	Al2O3 (Alumina 99.5%)	Al2O3 (Alumina 99.5%)	Al2O3 (Alumina 99.5%)	VESPEL® SP-1	VESPEL® SP-1	VESPEL® SCP-5000
Surface Treatment	-	-	-	-	-	-	-	-	-
Thread Size	M3 ～ M8	M3 ～ M6	M3 ～ M5	M3 ～ M10	M3 ～ M10	M3 ～ M10	M3 ～ M8	M3 ～ M8	M3 ～ M8
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SWAM-3-F SWAM-4-F SWAM-5-F SWAM-6-F SWAM-8-F	SNCW-M3 SNCW-M4 SNCW-M5 SNCW-M6	SICX-M3-SX SICX-M4-SX SICX-M5-SX	SCX-M10-C SCX-M3-C SCX-M4-C SCX-M5-C SCX-M6-C SCX-M8-C	SCX-M10-H SCX-M3-H SCX-M4-H SCX-M5-H SCX-M6-H SCX-M8-H	SCX-M10-N SCX-M3-N SCX-M4-N SCX-M5-N SCX-M6-N SCX-M8-N	SPD-M3-C SPD-M4-C SPD-M5-C SPD-M6-C SPD-M8-C	SPD-M3-H SPD-M4-H SPD-M5-H SPD-M6-H SPD-M8-H	SPDC-M3-C SPDC-M4-C SPDC-M5-C SPDC-M6-C SPDC-M8-C

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Part Name	Plastic Screw - Hex Head Screws - VESPEL（Grade：SCP-5000）	Plastic Screw - Hex Head Screws - PTFE	Plastic Screw - Hex Nuts / Washers - PTFE	Plastic Screw - Hex Nuts / Washers - PTFE	Plastic Screws - Hex Head Screws - PFA	Plastic Screws - Hex Nuts - PFA	Plastic Screws - Hex Posts - PEEK
Part Number	SPDC-H	SPT-H	SPT-N	SPT-W	SPFA-H	SPFA-N	SPE-HB
Feature	Heat Resistance Chemical Resistance Low Outgas	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance Heat Resistance	Chemical Resistance Heat Resistance	PEEK Chemical Resistance Heat Resistance
Material	VESPEL® SCP-5000	PTFE (Polytetrafluoroethylene)	PTFE (Polytetrafluoroethylene)	PTFE (Polytetrafluoroethylene)	Perfluoroalkoxy Alkane	Perfluoroalkoxy Alkane	PEEK
Surface Treatment	-	-	-	-	-	-	-
Thread Size	M3 ～ M8	M3 ～ M12	M3 ～ M12	M3 ～ M12	M4 ～ M8	M4 ～ M8	M3 ～ M8
Operating Temperature (℃)	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SPDC-M3-H SPDC-M4-H SPDC-M5-H SPDC-M6-H SPDC-M8-H	SPT-M10-H SPT-M12-H SPT-M3-H SPT-M4-H SPT-M5-H SPT-M6-H SPT-M8-H	SPT-M10-N SPT-M12-N SPT-M3-N SPT-M4-N SPT-M5-N SPT-M6-N SPT-M8-N	SPT-10-W SPT-12-W SPT-3-W SPT-4-W SPT-5-W SPT-6-W SPT-8-W	SPFA-M4-H SPFA-M5-H SPFA-M6-H SPFA-M8-H	SPFA-M4-N SPFA-M5-N SPFA-M6-N SPFA-M8-N	SPE-M3-HB SPE-M4-HB SPE-M5-HB SPE-M6-HB SPE-M8-HB

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This page compares the dimensions of low profile and small head screws. Easily find screws that satisfy the desired dimensions, shape and material.

What are Captive Screws? Introduction of the NBK Captive Series

NBK has standardized products for fall prevention of parts in the knob, pull and e-nedzi.com (special screw) categories. Use NBK's Captive Series for food machinery, packaging machinery and chemical manufacturing equipment that require CE Marking compatibility and measures against contamination.

What are Hex Socket Head Cap Screws (cap bolts)?

Hex Socket Head Cap Screws (cap bolts) are bolts (screws) with hexagon-shaped holes in their heads. It lists product descriptions for hex socket head cap screws, recommended products, etc.

No. 2: Vacuum environments

Vacuum technology is often used in semiconductor manufacturing equipment. A vacuum is not required for all equipment. A vacuum would mainly be required for equipment that uses plasma or an electron beam. In Part 2, we introduce some NBK products that are ideal for use in these vacuum environments!

Helpful Resources

What Are Knobs? Functions, Types, Features, Applications and More

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

What are Captive Screws? Introduction of the NBK Captive Series

What are Hex Socket Head Cap Screws (cap bolts)?

No. 2: Vacuum environments

Customization

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

Ball Rollers : Characteristics

Custom made

Cleanroom Wash / Cleanroom Packing Service

Screw Length Adjustment Service

Couplings Bore and Keyway Additional Modification Service

Captive Processing Service

Screw combination service

Select the best screws for your needs

CE-marked components which prevent foreign matter contamination are required 【Safety / precautionary measures】

Only certain workersshould be able to remove screws 【Safety Measures/Precautionary Measures】

Products conforming to SEMI standards are required【Safety Measures/Precautionary Measures】

CE marking compliance is required【Workability/Maintenance】

Hexagon Socket Head Cap Screws Excerpts from ISO 4762：2004, JIS B 1176:2015

Vol. 12 Back to Basics Series! Screw Reference Dimensions

Slip Torque of Coupling – Set Screw Type

General Tolerances

Hexagon Nuts

Auto-Positioning Units Frequently Asked Questions (FAQ)

Coupling and Single-axis Actuator Assembly Method

Hints for correctly using NBK products: Quick Positioning Brackets

Hints for correctly using NBK products: Captive Washer for Pull

Hints for correctly using NBK products: Metal Super Knob

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection (Actuator)

Procedure of Selection

Procedure of Selection

What Are Knobs? Functions, Types, Features, Applications and More

What are Captive Screws? Introduction of the NBK Captive Series

No. 2: Vacuum environments

No. ９: Increasing Throughput

What is a Coupling? Explanation of Types and Characteristics

What are Captive Screws? Introduction of the NBK Captive Series

No. 2: Vacuum environments

SEMS Screws: Efficiency and Convenience in Fastening

CE-marked components which prevent foreign matter contamination are required 【Safety / precautionary measures】

Use the NBK Captive Screw Series to be comply with CE

Preventing gaps between the sheet and screw when fastening thin sheets

What is Specific Strength? A new index for weight reduction of equipment 【Smaller and Lighter】

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

Higher torque and Lower price.

NBK SPECIAL SCREWS

What is a Coupling? Explanation of Types and Characteristics

Vol.6 Varieties of Screws "Beyond" SUS

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

A new generation of disk couplings

High-Gain Rubber Type Coupling XG2

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

No. ９: Increasing Throughput

Micro Screws: M0.6 (S0.6) to M2.6 Lineup

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

What makes our custom screws special

Customization

NBK SPECIAL SCREWS

Flexus【Muilti-Functional Machined Slotted Springs】

Designs and Examples of What NBK Can Create

No. 6: Thermal Cycling

No. 5: Solving common problems inside equipment

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

What is Specific Strength? A new index for weight reduction of equipment 【Smaller and Lighter】

Higher torque and Lower price.

What Are Knobs? Functions, Types, Features, Applications and More

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

What are Captive Screws? Introduction of the NBK Captive Series

What are Hex Socket Head Cap Screws (cap bolts)?

No. 2: Vacuum environments

What Are Knobs? Functions, Types, Features, Applications and More

Comparison of the Dimensions of Low Profile Screws and Small Head Screws

What are Captive Screws? Introduction of the NBK Captive Series

What are Hex Socket Head Cap Screws (cap bolts)?

No. 2: Vacuum environments

Vol.6　Varieties of Screws "Beyond" SUS

Vol.4　What are washers used for?

Vol.6　Varieties of Screws "Beyond" SUS