Hex Head Bolts (Screws)

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-Skip the quote process: Purchase products directly from our online shop with real-time pricing.
-Local Delivery from Philadelphia: Shipped via UPS and FedEx from our Philadelphia warehouse.
-Streamlined Procurement: Most orders are dispatched from Philadelphia within one week.
-Many special screw specifications that typically require custom manufacturing elsewhere are available as standard items from NBK.

We have Hex Head Screws with various kind of materials, surface treatments and characteristics.

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Part Name	Hexagon Head Screws	Hexagon Head Screws	Hex Head Screws - PFA Coating for Head	Duplex Stainless Steel Hexagon Head Screw	Hex Head Cap Screws with Ultra Low Profile	Ultra Low Profile Hex Head Screws with Nylon Patch	Hexagon Head Screws with Captive Washer	Hexagon Head Screws with Captive Washer	Flanged Hex Bolts
Part Number	SNH	SNHS	SNHS-HTF	SNHDS	SNHS-LH	SNHS-LH-ALK	SNHP2S	SNHP3S	SFH-TZB
Feature	Compliant with JIS B 1180	Compliant with JIS B 1180	Chemical Resistance	High Strength CorrosionResistance Magnetic	Low Profile space-saving	Special Low Profile Space-Saving Nylon Patch	Compliant with JIS B 1187 With Captive Washer P=2	Compliant with JIS B 1187 With Captive Washer P=3	Flanged Compliant with JIS B 1189
Price	From 10.31 USD	From 10.31 USD	From 7.90 USD	From 35.31 USD	From 23.68 USD	From 33.10 USD	From 12.03 USD	From 12.03 USD	From 13.73 USD
Material	Steel	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	-	SUSXM7 (Equivalent to SUS304)	Equivalent to SUS304	Equivalent to SUS304	Equivalent to SUS304	Steel
Surface Treatment	Ferrosoferric Oxide Film (Black)	-	PFA Coating	-	-	-	-	-	Trivalent chromate treatment
Thread Size	M5 ～ M10	M3 ～ M10	M3 ～ M8	M12 ～ M24	M4 ～ M8	M4 ～ M8	M4 ～ M10	M4 ～ M12	M8 ～ M12
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SNH-M10 SNH-M5 SNH-M6 SNH-M8	SNHS-M10 SNHS-M3 SNHS-M4 SNHS-M5 SNHS-M6 SNHS-M8	SNHS-M3-HTF SNHS-M4-HTF SNHS-M5-HTF SNHS-M6-HTF SNHS-M8-HTF	SNHDS-M12 SNHDS-M16 SNHDS-M20 SNHDS-M24	SNHS-M4-LH SNHS-M5-LH SNHS-M6-LH SNHS-M8-LH	SNHS-M4-LH-ALK SNHS-M5-LH-ALK SNHS-M6-LH-ALK SNHS-M8-LH-ALK	SNHP2S-M10 SNHP2S-M4 SNHP2S-M5 SNHP2S-M6 SNHP2S-M8	SNHP3S-M10 SNHP3S-M12 SNHP3S-M4 SNHP3S-M5 SNHP3S-M6 SNHP3S-M8	SFH-M10-TZB SFH-M12-TZB SFH-M8-TZB

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Part Name	Flanged Hex Bolts	Vented Hex Head Screws	Hex Head Captive Screws	Hex Head Captive Screws - 316L Stainless Steel	Ceramic Hex Head Bolts	Plastic Hex Head Screws - PEEK	Plastic Inch Hex Head Screws - PEEK	Plastic Screw - Hex Head Screws - PPS	Plastic Hex Head Screws - RENY
Part Number	SFHS	SVHS	SSC-SNHS	SSC-SNHL	SCX-H	SPE-H	SPE-H(INCH)	SPS-H	SPA-H
Feature	Flanged Compliant with JIS B 1189	Hex head screws	Captive / Loss Prevention	Captive / Loss Prevention	Chemical Resistance Heat Resistance Electrical Insulation	Low Outgas Heat Resistance Chemical Resistance Electrical Insulation	Low Outgas Heat Resistance Chemical Resistance Electrical Insulation	High Specific Strength Heat Resistance Chemical Resistance	High Strength High Specific Strength Lightweight
Price	From 23.68 USD	From 43.72 USD	From 3.41 USD	From 4.64 USD	From 42.28 USD	From 22.97 USD	From 75.89 USD	From 6.74 USD	From 6.24 USD
Material	SUS304	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUS316L	Al2O3 (Alumina 99.5%)	PEEK	PEEK	PPS	RENY
Surface Treatment	-	-	-	-	-	-	-	-	-
Thread Size	M6 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M8	M3 ～ M10	M4 ～ M12	1/4-20UNC ～ 3/8-16UNC	M4 ～ M12	M5 ～ M16
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SFHS-M6 SFHS-M8	SVHS-M3 SVHS-M4 SVHS-M5 SVHS-M6 SVHS-M8	SSC-SNHS-M3 SSC-SNHS-M4 SSC-SNHS-M5 SSC-SNHS-M6 SSC-SNHS-M8	SSC-SNHL-M3 SSC-SNHL-M4 SSC-SNHL-M5 SSC-SNHL-M6 SSC-SNHL-M8	SCX-M10-H SCX-M3-H SCX-M4-H SCX-M5-H SCX-M6-H SCX-M8-H	SPE-M10-H SPE-M10-H(50) SPE-M12-H SPE-M12-H(50) SPE-M4-H SPE-M4-H(100) SPE-M4-H(50) SPE-M5-H SPE-M5-H(100) SPE-M5-H(50) SPE-M6-H SPE-M6-H(100) SPE-M6-H(50) SPE-M8-H SPE-M8-H(100) SPE-M8-H(50)	SPE-1/4-20-H SPE-1/4-20-H(100) SPE-1/4-20-H(50) SPE-3/8-16-H SPE-3/8-16-H(50) SPE-5/16-18-H SPE-5/16-18-H(50)	SPS-M10-H SPS-M12-H SPS-M4-H SPS-M5-H SPS-M6-H SPS-M8-H	SPA-M10-H SPA-M10-H(100) SPA-M10-H(50) SPA-M12-H SPA-M12-H(50) SPA-M16-H SPA-M16-H(50) SPA-M5-H SPA-M5-H(100) SPA-M5-H(1000) SPA-M5-H(250) SPA-M5-H(500) SPA-M6-H SPA-M6-H(100) SPA-M6-H(200) SPA-M6-H(250) SPA-M6-H(50) SPA-M6-H(500) SPA-M8-H SPA-M8-H(100) SPA-M8-H(200) SPA-M8-H(250) SPA-M8-H(50)

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Part Name	Plastic Screw - Hex Head Screws - PTFE	Plastic Hex Head Screws - PVDF	Plastic Screw - Hex Head Screws - PP	Plastic Screw - Hex Head Screws - VESPEL（Grade：SP-1）	Plastic Screw - Hex Head Screws - VESPEL（Grade：SCP-5000）	Plastic Hex Head Screws - PC	Plastic Hex Head Screws - PC	Plastic Screws - Hex Head Screws - PFA
Part Number	SPT-H	SPV-H1	SPP-H	SPD-H	SPDC-H	SPC-H	SPC-H-WH	SPFA-H
Feature	Chemical Resistance Heat Resistance Electrical Insulation	Chemical Resistance	Chemical Resistance	Heat Resistance Chemical Resistance Low Outgas	Heat Resistance Chemical Resistance Low Outgas	Electrical Insulation Lightweight Shock Resistance Weather Resistance	Electrical Insulation Lightweight Shock Resistance Weather Resistance	Chemical Resistance Heat Resistance
Price	From 16.78 USD	From 37.39 USD	From 9.09 USD	From 106.89 USD	From 158.23 USD	From 7.70 USD	From 10.47 USD	From 59.39 USD
Material	PTFE (Polytetrafluoroethylene)	PVDF	PP	VESPEL® SP-1	VESPEL® SCP-5000	PC	PC	Perfluoroalkoxy Alkane
Surface Treatment	-	-	-	-	-	-	-	-
Thread Size	M3 ～ M12	M4 ～ M12	M4 ～ M12	M3 ～ M8	M3 ～ M8	M4 ～ M8	M8 ～ M12	M4 ～ M8
Operating Temperature (℃)	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SPT-M10-H SPT-M12-H SPT-M3-H SPT-M4-H SPT-M5-H SPT-M6-H SPT-M8-H	SPV-M10-H1 SPV-M10-H1(50) SPV-M12-H1 SPV-M12-H1(50) SPV-M4-H1 SPV-M4-H1(100) SPV-M5-H1 SPV-M5-H1(100) SPV-M6-H1 SPV-M6-H1(100) SPV-M8-H1 SPV-M8-H1(100)	SPP-M10-H SPP-M12-H SPP-M4-H SPP-M5-H SPP-M6-H SPP-M8-H	SPD-M3-H SPD-M4-H SPD-M5-H SPD-M6-H SPD-M8-H	SPDC-M3-H SPDC-M4-H SPDC-M5-H SPDC-M6-H SPDC-M8-H	SPC-M4-H SPC-M4-H(1000) SPC-M4-H(500) SPC-M5-H SPC-M5-H(1000) SPC-M5-H(250) SPC-M5-H(500) SPC-M6-H SPC-M6-H(200) SPC-M6-H(250) SPC-M6-H(500) SPC-M8-H SPC-M8-H(100) SPC-M8-H(200) SPC-M8-H(250)	SPC-M10-H-WH SPC-M10-H-WH(100) SPC-M10-H-WH(50) SPC-M12-H-WH SPC-M12-H-WH(25) SPC-M12-H-WH(50) SPC-M8-H-WH SPC-M8-H-WH(100) SPC-M8-H-WH(50)	SPFA-M4-H SPFA-M5-H SPFA-M6-H SPFA-M8-H

Latest

Select the best screws for your needs

This page helps to select a Product based on application needs. Vacuum, Low Outgas, Clean, Chemical Resistance, High Strength, Heat Resistance, 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!

SEMS Screws: Efficiency and Convenience in Fastening

A Guide to Special Screws for Designers: Washer-Integrated Screws (SEMS Screws).
This article provides a clear explanation of washer-integrated screws (SEMS screws), covering what they are, their advantages, examples of use, types, and features.

What are Socket Head Cap Screws (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.

Helpful Resources

No. 2: Vacuum environments

SEMS Screws: Efficiency and Convenience in Fastening

What are Socket Head Cap Screws (Bolts) ?

Miniature Screws/Precision Screws Lineup List

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

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

No. 6: Thermal Cycling

Washer fall-out prevention is required 【Workability/Maintenance】

Monitors need to be movable with one touch in accordance with the worker's height or the nature of the work【Improved productivity/workability】

Simple positioning with vertical axes is needed 【Workability / maintenance】

Screw Size Chart: Comprehensive Guide to Metric Dimensions

Hexalobular Internal Driving Feature for Bolts and Screws

Unified Coarse Screw Threads/Unified Fine Screw Threads

Vol. 12 Back to Basics Series! Screw Reference Dimensions

Slip Torque of Coupling – Set Screw Type

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

Procedure of Selection

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection (Actuator)

Procedure of Selection

No. 2: Vacuum environments

No. 6: Thermal Cycling

Washer fall-out prevention is required 【Workability/Maintenance】

Monitors need to be movable with one touch in accordance with the worker's height or the nature of the work【Improved productivity/workability】

Simple positioning with vertical axes is needed 【Workability / maintenance】

No. 2: Vacuum environments

SEMS Screws: Efficiency and Convenience in Fastening

What are Captive Bolts (Screws)? Introduction of the NBK Captive Series

Description of Tamper Resistant Screws & Security Screws (Bolts) for the Engineers

What are Hex Nuts?

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

Preventing gaps between the sheet and screw when fastening thin sheets

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

Higher torque and Lower price.

NBK SPECIAL SCREWS

What are Couplings? Explanation of Coupling Types and Characteristics

Select Based on Application

Vol.6 Varieties of Screws "Beyond" SUS

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

A new generation of disk couplings

Miniature Screws/Precision Screws Lineup List

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

No. 6: Thermal Cycling

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

What are low profile screws? Find advantages, disadvantages, and usage examples explained here!

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

Select Based on Application

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

No. 5: Solving common problems inside equipment

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

Select the best screws for your needs

No. 2: Vacuum environments

What are Socket Head Cap Screws (Bolts) ?

Miniature Screws/Precision Screws Lineup List

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

Select the best screws for your needs

No. 2: Vacuum environments

What are Socket Head Cap Screws (Bolts) ?

Miniature Screws/Precision Screws Lineup List

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

Vol.6　Varieties of Screws "Beyond" SUS

Vol.1　What is Seizing (Galling)?

Vol.4　What are washers used for?

Vol.7　Screw Tightening Control Methods