NBK offers wide lineup of small thread screws with various shapes and materials.
In addition, various head diameters and heights are available for the same thread sizes for space-saving.

No minimum order quantity required.
Please feel free to ask us for quotations.

Select by size

S0.6 S0.8 M1 M1.2 M1.4 M1.6 M1.7 M2 M2.5 M2.6

Choose from the Shapes

Socket Head Cap Screws

Head Diameters

※In case of M2.6

	Standard		Low Profile		Special Low Profile		Extra Low Profile		Small Head		Special Low Profile with Small Head
M2	3.8		3.8		4		4		3		3.2
M2.5	4.5		4.5		5		6※		3.8		4

 

Head Heights

※In case of M2.6

	Standard	Low Profile		Special Low Profile		Extra Low Profile	Small Head	Special Low Profile with Small Head
M2	2	1.3	1.55	1.1	1.2	0.5	2	1.1
M2.5	2.5	1.6	1.85	1.3	1.3	0.6※	2.5	1.3

See each page for the detailed dimensions

Head Shapes		Socket Head Cap Screws
Features		Standard	Low Profile	Special Low Profile	Low Profile	Special Low Profile	Extra Low Profile	Small Head	Special Low Profile with Small Head
Recess Types
Materials	Steel	・Ferrosoferric Oxide Film Black	・Ferrosoferric Oxide Film Black ・Trivalent Chromate	・Ferrosoferric Oxide Film Black ・Electroless Nickel Plating ・Electroless Nickel Plating with Nylon Patch	-	-	-	-	-
	Stainless Steel	・18-8 Stainless Steel equiv. ・316L Stainless Steel ・18-8 Stainless Steel equiv. with Stainless Steel Black	・18-8 Stainless Steel equiv.	・18-8 Stainless Steel equiv. ・18-8 Stainless Steel equiv. with Nylon Patch	・18-8 Stainless Steel equiv.	・18-8 Stainless Steel equiv.	・18-8 Stainless Steel equiv. ・18-8 Stainless Steel equiv. with Nylon Patch	・18-8 Stainless Steel equiv.	・18-8 Stainless Steel equiv.
	Titanium	・6Al-4V Titanium (Grade 5)	-	-	-	-	-	-	-
	Phosphor Bronze	・C5191	-	-	-	-	-	-	-
	Hastelloy＊1			・Hastelloy＊1 C-22equiv.
Tools		・Wrenches ・Screwdrivers（with Screw Holding Function） ・Wrenches（Non-Magnetic）			・Wrenches ・Wrenches for extremely limited access spaces ・Bits/Screwdrivers			・Wrenches ・Screwdrivers （with Screw Holding Function）

＊1：Hastelloy is a registered trademark of Haynes International, Inc.

Pan Head Machine Screws

Head Diameters

	For Precision Instruments		Standard			For Precision Instruments
			Stainless Steel		Titanium, Plastic
M2	3		4		3.5	3
M2.5	3.8		5		4.5	4

Head Heights

	For Precision Instruments		Standard			For Precision Instruments
			Stainless Steel		Titanium, Plastic
M2	0.6		1.6		1.3	0.6
M2.5	0.8		2.1		1.7	0.8

See each page for detailed dimensions

※1: Slotted for S0.6/S0.8

Head Shapes		Pan Head Machine Screws			Extra Low Profile Miniature Screws	Nuts
Features		For Precision Instruments	Standard	Standard	For Precision Instruments
Recess Types		・※１
Materials	Steel	・Trivalent Chromate Black ・Trivalent Chromate Black with Nylon Patch	-	-	-	-
	Stainless Steel	・18-8 Stainless Steel equiv. (S0.6~S0.8) ・18-8 Stainless Steel equiv. (M1~M2.6) ・18-8 Stainless Steel equiv. with Nylon Patch)	・18-8 Stainless Steel equiv. with Captive Washers l=3 ・18-8 Stainless Steel equiv. with Captive Washers l=1	・18-8 Stainless Steel equiv.	・18-8 Stainless Steel equiv. ・18-8 Stainless Steel equiv. with Nylon Patch	・18-8 Stainless Steel equiv.
	Titanium	・Grade 1 Titanium	・Grade 1 Titanium	-	-	-
	Plastic	・PEEK ・RENYTM＊1	・PEEK ・RENYTM＊1 ・PC ・PPS	-	-	・PEEK ・RENYTM＊1 ・PC ・PPS
Tools		・Low profile screwdrivers		・Wrenches ・Wrenches for extremely limited access spaces ・Bits/Screwdrivers		-

＊1：RENY^TM is a trademark or registered trademark of Mitsubishi Gas Chemical Company, Inc.

Flat Head Machine Screws

Head Diameters

※In case of M2.6

	Standard			For Precision Instruments
	・
M2	4		3.8	3
M2.5	5.2※		4.7	4※

Head Heights

※In case of M2.6

	Standard			For Precision Instruments
	・
M2	1.2		1.2	0.6
M2.5	1.5※		1.5	0.8※

See each page for detailed dimensions

Head Shapes		Flat Head Machine Screws
Features		Standard	For Precision Instruments	Standard	Standard
Recess Types
Materials	Steel	-	・Trivalent Chromate Black	-	-
	Stainless Steel	-	・18-8 Stainless Steel equiv.	-	・18-8 Stainless Steel equiv.
	Molybdenum	・Pure Molybdenum	-	-	-
	Plastic	-	・PEEK ・RENYTM＊1	・PEEK ・RENYTM＊1 ・PC	-
Tools		・Wrenches ・Screwdrivers with Screw Holding Function	・Low profile screwdrivers		・Wrenches ・Wrenches for extremely limited access spaces ・Bits/Screwdrivers

＊1：RENY^TM is a trademark or registered trademark of Mitsubishi Gas Chemical Company, Inc.

Special Shape Screws

Head Shapes		Pan Head Machine Screws	Socket Head Cap Screws	Flat Head Machine Screws		Socket Head Cap Screws	set screws
Features		For Precision Instruments with Captive Processing	Ventilation Hole	Ventilation Hole	Tamper Resistant	Special Low Profile with Tamper Resistant	Standard
Recess Types
Materials	Stainless Steel	・18-8 Stainless Steel equiv.	・18-8 Stainless Steel equiv.	・18-8 Stainless Steel equiv.	・18-8 Stainless Steel equiv.	・18-8 Stainless Steel equiv.	・18-8 Stainless Steel equiv.
Tools		・Low profile screwdrivers	・Wrenches ・Screwdrivers with Screw Holding Function	・Low profile screwdrivers	・Bits/ Screwdrivers	・Bits/ Screwdrivers	・Wrenches ・Screwdrivers with Screw Holding Function

What are Micro Screws?

NBK refers to screws with a nominal diameter of M2.6 or less as micro screws, miniature screws, precision screws, and small diameter screws. Among these, micro screws and precision screws are also known as camera screws and eyeglasses screws.

NBK offers various lineup of micro screws, miniature screws, and precision screws.

【Sizes】
S0.6(M0.6), S0.8(M0.8), M1, M1.2, M1.4, M1.6, M1.7, M2, M2.5, M2.6　

【Materials】
Steel, Stainless Steel, Plastic(PEEK, RENY^TM＊1, PC, PPS), Titanium, Phosphor Bronze, Molybdenum
＊1：RENY^TM is a trademark or registered trademark of Mitsubishi Gas Chemical Company, Inc.

【Screw Shapes】
Hex Socket Head Cap Screws, Low Profile Screws, Small Head Screws, Flat head machine screws, Pan head screws, Set screws, Nuts

【Recess Types】
Hexagon, Cross, Hexalobular, Tamper Resistant

【Special Shapes】
Captive Processing, Ventilation Hole

Applications

These screws are suitable for fixing and positioning precision instruments, electronics, and miniature linear guide rails and tables.
They are also used in eyeglasses, watches, cameras, smart phone, laptops, and so on.