Compact and Space-Saving

These screws have a low head height or small head diameter, making them compact.
They are ideal for space-saving in equipment and devices, or when space for installing bolts is limited.
Click for the comparison table of screw head dimensions here ▶

Campact-and-Space-Saving_1en

Selection Conditions

Select Thread Size (Metric thread)M2

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Part Name	Socket Head Cap Screws with Low Profile	Low Profile Socket Head Cap Screws with Nylon Patch	Socket Head Cap Screws with Low Profile	Low Profile Socket Head Cap Screws with Nylon Patch	Socket Head Cap Screws with Low Profile	Socket Head Cap Screws with Low Profile - Cleanroom Washed & Packaged	Low Profile Socket Head Cap Screws with Nylon Patch	Hexalobular Socket Head Cap Screws with Low Profile	Low Profile Hexalobular Socket Head Cap Screws with Nylon Patch
Part Number	SLH-M2	SLH-M2-ALK	SLH-M2-TZB	SLH-M2-TZB-ALK	SLHS-M2	SLHS-M2-UCL	SLHS-M2-ALK	SLTS-M2	SLTS-M2-ALK
Feature	Space-Saving Low Profile Conforms to DIN 7984.	Low Profile Space-Saving Nylon Patch	Space-Saving Low Profile Conforms to DIN 7984.	Low Profile Space-Saving Nylon Patch	Space-saving Low Profile	Space-saving Low Profile Cleanroom Washed & Packaged	Space-saving Low Profile Nylon Patch	Hexalobular Socket Low Profile Space-saving	Hexalobular Socket Low Profile Space-Saving Nylon Patch
Material	Steel	Steel	Steel	Steel	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)
Surface Treatment	Ferrosoferric Oxide Film (Black)	Ferrosoferric Oxide Film (Black)	Trivalent chromate treatment	Trivalent chromate treatment	-	-	-	-	-
Thread Size	M2	M2	M2	M2	M2	M2	M2	M2	M2
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SLH-M2-10 SLH-M2-12 SLH-M2-5 SLH-M2-6 SLH-M2-8	SLH-M2-10-ALK SLH-M2-12-ALK SLH-M2-5-ALK SLH-M2-6-ALK SLH-M2-8-ALK	SLH-M2-10-TZB SLH-M2-12-TZB SLH-M2-5-TZB SLH-M2-6-TZB SLH-M2-8-TZB	SLH-M2-10-TZB-ALK SLH-M2-12-TZB-ALK SLH-M2-5-TZB-ALK SLH-M2-6-TZB-ALK SLH-M2-8-TZB-ALK	SLHS-M2-10 SLHS-M2-12 SLHS-M2-5 SLHS-M2-6 SLHS-M2-8	SLHS-M2-10-UCL SLHS-M2-12-UCL SLHS-M2-5-UCL SLHS-M2-6-UCL SLHS-M2-8-UCL	SLHS-M2-10-ALK SLHS-M2-12-ALK SLHS-M2-5-ALK SLHS-M2-6-ALK SLHS-M2-8-ALK	SLTS-M2-10 SLTS-M2-4 SLTS-M2-5 SLTS-M2-6 SLTS-M2-8	SLTS-M2-10-ALK SLTS-M2-4-ALK SLTS-M2-5-ALK SLTS-M2-6-ALK SLTS-M2-8-ALK

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Part Name	Plastic Low Profile Socket Head Screws - PEEK	Socket Head Cap Screws with Ultra Low Profile	Ultra Low Profile Socket Head Cap Screws with Nylon Patch	Socket Head Cap Screws with Ultra Low Profile	Socket Head Cap Screws with Ultra Low Profile and Nylon Patch	Socket Head Cap Screws with Ultra Low Profile	Socket Head Cap Screws with Ultra Low Profile - Cleanroom Washed & Packaged	Socket Head Cap Screws with Ultra Low Profile and Nylon Patch	Hexalobular Socket Head Cap Screws with Ultra Low Profile
Part Number	SPE-M2-LC	SSH-M2	SSH-M2-ALK	SSH-M2-EL	SSH-M2-EL-ALK	SSHS-M2	SSHS-M2-UCL	SSHS-M2-ALK	SSTS-M2
Feature	Low Outgas Chemical Resistance Heat Resistance Electrical Insulation Space-saving	Space-Saving Ultra Low Profile	Special Low Profile Space-Saving Nylon Patch	Space-Saving Ultra Low Profile	Space-Saving Ultra Low Profile Nylon Patch	Space-saving Ultra Low Profile	Space-saving Ultra Low Profile Cleanroom Washed & Packaged	Space-saving Ultra Low Profile Nylon Patch	Hexalobular Socket Ultra Low Profile Space-saving
Material	PEEK	Steel	Steel	Steel	Steel	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)
Surface Treatment	-	Ferrosoferric Oxide Film (Black)	Ferrosoferric Oxide Film (Black)	Electroless nickel plating	Electroless nickel plating	-	-	-	-
Thread Size	M2	M2	M2	M2	M2	M2	M2	M2	M2
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SPE-M2-10-LC SPE-M2-12-LC SPE-M2-4-LC SPE-M2-5-LC SPE-M2-6-LC SPE-M2-8-LC	SSH-M2-10 SSH-M2-12 SSH-M2-4 SSH-M2-5 SSH-M2-6 SSH-M2-8	SSH-M2-10-ALK SSH-M2-12-ALK SSH-M2-4-ALK SSH-M2-5-ALK SSH-M2-6-ALK SSH-M2-8-ALK	SSH-M2-10-EL SSH-M2-12-EL SSH-M2-4-EL SSH-M2-5-EL SSH-M2-6-EL SSH-M2-8-EL	SSH-M2-10-EL-ALK SSH-M2-12-EL-ALK SSH-M2-4-EL-ALK SSH-M2-5-EL-ALK SSH-M2-6-EL-ALK SSH-M2-8-EL-ALK	SSHS-M2-10 SSHS-M2-12 SSHS-M2-4 SSHS-M2-5 SSHS-M2-6 SSHS-M2-8	SSHS-M2-10-UCL SSHS-M2-12-UCL SSHS-M2-4-UCL SSHS-M2-5-UCL SSHS-M2-6-UCL SSHS-M2-8-UCL	SSHS-M2-10-ALK SSHS-M2-12-ALK SSHS-M2-4-ALK SSHS-M2-5-ALK SSHS-M2-6-ALK SSHS-M2-8-ALK	SSTS-M2-4 SSTS-M2-5 SSTS-M2-6 SSTS-M2-8

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Part Name	Tamper Resistant Cap Screws with Ultra Low Profile	Ultra Low Profile Tamper-Resistant Screws with Nylon Patch	Socket Head Cap Screws with Ultra Low Profile - Hastelloy C-22 equiv.	Super Ultra Low Profile Cross Recessed Machine Screws	Super Ultra Low Profile Cross Recessed Machine Screws with Nylon Patch	Super Ultra Low Profile Cross Recessed Machine Screws	Super Ultra Low Profile Cross Recessed Machine Screws with Nylon Patch	Hexalobular Socket Head Cap Screws with Super Ultra Low Profile	Hexalobular Socket Head Cap Screws with Super Ultra Low Profile and Nylon Patch
Part Number	SRSHS-M2	SRSHS-M2-ALK	SSHH-M2-C22	SEC-M2-TZB	SEC-M2-TZB-ALK	SEC-M2-TBZ	SEC-M2-TBZ-ALK	SETS-M2	SETS-M2-ALK
Feature	Space-saving Ultra Low Profile Tamper Resistant	Ultra Low Head Height Tamper-Resistance Screws Nylon Patch	Chemical Resistance Special Low Profile Space-saving	Extra Low Profile Space-saving	Extra Low Profile Space-Saving Nylon Patch	Extra Low Profile Space-saving	Extra Low Profile Space-Saving Nylon Patch	Hexalobular Socket Super Ultra Low Profile Space-saving	Hexalobular Socket Extra Low Profile Space-Saving Nylon Patch
Material	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	Hastelloy equiv.	Steel	Steel	Steel	Steel	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)
Surface Treatment	-	-	-	Trivalent chromate treatment	Trivalent chromate treatment	Black Trivalent Chromate Treatment	Black Trivalent Chromate Treatment	-	-
Thread Size	M2	M2	M2	M2	M2	M2	M2	M2	M2
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SRSHS-M2-4 SRSHS-M2-5 SRSHS-M2-6 SRSHS-M2-8	SRSHS-M2-4-ALK SRSHS-M2-5-ALK SRSHS-M2-6-ALK SRSHS-M2-8-ALK	SSHH-M2-10-C22 SSHH-M2-12-C22 SSHH-M2-4-C22 SSHH-M2-5-C22 SSHH-M2-6-C22 SSHH-M2-8-C22	SEC-M2-10-TZB SEC-M2-12-TZB SEC-M2-2-TZB SEC-M2-3-TZB SEC-M2-4-TZB SEC-M2-5-TZB SEC-M2-6-TZB SEC-M2-8-TZB	SEC-M2-10-TZB-ALK SEC-M2-12-TZB-ALK SEC-M2-3-TZB-ALK SEC-M2-4-TZB-ALK SEC-M2-5-TZB-ALK SEC-M2-6-TZB-ALK SEC-M2-8-TZB-ALK	SEC-M2-10-TBZ SEC-M2-12-TBZ SEC-M2-2-TBZ SEC-M2-3-TBZ SEC-M2-4-TBZ SEC-M2-5-TBZ SEC-M2-6-TBZ SEC-M2-8-TBZ	SEC-M2-10-TBZ-ALK SEC-M2-12-TBZ-ALK SEC-M2-3-TBZ-ALK SEC-M2-4-TBZ-ALK SEC-M2-5-TBZ-ALK SEC-M2-6-TBZ-ALK SEC-M2-8-TBZ-ALK	SETS-M2-10 SETS-M2-12 SETS-M2-4 SETS-M2-5 SETS-M2-6 SETS-M2-8	SETS-M2-10-ALK SETS-M2-12-ALK SETS-M2-4-ALK SETS-M2-5-ALK SETS-M2-6-ALK SETS-M2-8-ALK

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Part Name	Socket Head Cap Screws with Ultra Low Profile & Small Head	Socket Head Cap Screws with Ultra Low Profile & Small Head and Nylon Patch	Socket Head Cap Screws with Small Head	Socket Head Cap Screws with Small Head and Nylon Patch	Vented Socket Head Cap Screws with Small Head	Socket Head Cap Screws with Small Head - 316L Stainless Steel	Vented Socket Head Cap Screws with Small Head - 316L Stainless Steel	Thin Hex Nuts	Thin Hex Nuts
Part Number	SSHS-M2-SD	SSHS-M2-SD-ALK	SNSS-M2-SD	SNSS-M2-SD-ALK	SVSS-M2-SD	SNSL-M2-SD	SVSL-M2-SD	SHN-M2	SHNS-M2
Feature	Ultra Low Profile & Small Head Space-saving	Special Low Profile Small Head Space-Saving Nylon Patch	Small Head Space-saving	Small Head Space-Saving Nylon Patch	Standard Small Head	Small Head Heat Resistance Corrosion Resistance Non-magnetic	Small Head Corrosion Resistance Non-magnetic	Space-Saving Conforms to ISO 4035	Space-Saving Conforms to ISO 4035
Material	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUSXM7 (Equivalent to SUS304)	SUS316L	SUS316L	Steel	Stainless Steel
Surface Treatment	-	-	-	-	-	-	-	Trivalent chromate treatment	-
Thread Size	M2	M2	M2	M2	M2	M2	M2	M2	M2
Operating Temperature (℃)	-	-	-	-	-	-	-	-	-
CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD	CAD
Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications	Specifications
List	SSHS-M2-5-SD SSHS-M2-6-SD SSHS-M2-8-SD	SSHS-M2-5-SD-ALK SSHS-M2-6-SD-ALK SSHS-M2-8-SD-ALK	SNSS-M2-3-SD SNSS-M2-4-SD SNSS-M2-5-SD SNSS-M2-6-SD	SNSS-M2-3-SD-ALK SNSS-M2-4-SD-ALK SNSS-M2-5-SD-ALK SNSS-M2-6-SD-ALK	SVSS-M2-3-SD SVSS-M2-4-SD SVSS-M2-5-SD SVSS-M2-6-SD	SNSL-M2-10-SD SNSL-M2-12-SD SNSL-M2-16-SD SNSL-M2-5-SD SNSL-M2-6-SD SNSL-M2-8-SD	SVSL-M2-10-SD SVSL-M2-12-SD SVSL-M2-16-SD SVSL-M2-5-SD SVSL-M2-6-SD SVSL-M2-8-SD	SHN-M2-LP	SHNS-M2-LP

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. 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

What is a Swivel Mount?

No. 2: Vacuum environments

SEMS Screws: Efficiency and Convenience in Fastening

What are Socket Head Cap Screws (Bolts) ?

Miniature Screws/Precision Screws Lineup List

Customization

Flexus

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

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

Hints for correctly using NBK products: Ball Plungers

Procedure of Selection

Choosing the most suitable coupling

Choosing the most suitable coupling

Procedure of Selection (Actuator)

Procedure of Selection

What is a Swivel Mount?

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】

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

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

Vol.6 Varieties of Screws "Beyond" SUS

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

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）

What is a Swivel Mount?

Select the best screws for your needs

No. 2: Vacuum environments

What are Socket Head Cap Screws (Bolts) ?

Miniature Screws/Precision Screws Lineup List

What is a Swivel Mount?

Select the best screws for your needs

No. 2: Vacuum environments

What are Socket Head Cap Screws (Bolts) ?

Miniature Screws/Precision Screws Lineup List

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