NBK logo

  • Special Screws
  • Galling & Seizing Prevention

Hex socket Head Cap Screws with Ventilation Hole / Surface Hardening Treatment

SVSL-PN

  • Vacuum
  • Cleanroom Specification
  • Seizing & Sticking Prevention
  • Heat-resistance

Dimension Drawing

SVSL-PNHex socket Head Cap Screws with Ventilation Hole / Surface Hardening Treatment寸法図

Specs/CAD

Select

M (Coarse)
Nominal of Thread
All
M3
M4
M5
M6
M8
L
All
6
8
10
12
16
20
25
30
35

Unit : mm

Part Number M (Coarse)
Nominal of Thread
Pitch L D1 L1 B d
max.
Mass
(g)
CAD
Download
RFQ
SVSL-M3-6-PN M3 0.5 6 5.5 3 2.5 1.2 0.64 CAD RFQ
SVSL-M3-8-PN M3 0.5 8 5.5 3 2.5 1.2 0.7 CAD RFQ
SVSL-M3-10-PN M3 0.5 10 5.5 3 2.5 1.2 0.76 CAD RFQ
SVSL-M3-12-PN M3 0.5 12 5.5 3 2.5 1.2 0.81 CAD RFQ
SVSL-M4-8-PN M4 0.7 8 7 4 3 1.5 1.5 CAD RFQ
SVSL-M4-10-PN M4 0.7 10 7 4 3 1.5 1.6 CAD RFQ
SVSL-M4-12-PN M4 0.7 12 7 4 3 1.5 1.8 CAD RFQ
SVSL-M4-16-PN M4 0.7 16 7 4 3 1.5 2 CAD RFQ
SVSL-M4-20-PN M4 0.7 20 7 4 3 1.5 2.3 CAD RFQ
SVSL-M5-8-PN M5 0.8 8 8.5 5 4 1.5 2.3 CAD RFQ
SVSL-M5-10-PN M5 0.8 10 8.5 5 4 1.5 2.5 CAD RFQ
SVSL-M5-12-PN M5 0.8 12 8.5 5 4 1.5 2.8 CAD RFQ
SVSL-M5-16-PN M5 0.8 16 8.5 5 4 1.5 3.2 CAD RFQ
SVSL-M5-20-PN M5 0.8 20 8.5 5 4 1.5 3.6 CAD RFQ
SVSL-M6-10-PN M6 1 10 10 6 5 2 4.4 CAD RFQ
SVSL-M6-12-PN M6 1 12 10 6 5 2 4.7 CAD RFQ
SVSL-M6-16-PN M6 1 16 10 6 5 2 5.2 CAD RFQ
SVSL-M6-20-PN M6 1 20 10 6 5 2 5.8 CAD RFQ
SVSL-M6-25-PN M6 1 25 10 6 5 2 6.7 CAD RFQ
SVSL-M6-30-PN M6 1 30 10 6 5 2 7.3 CAD RFQ
SVSL-M8-16-PN M8 1.25 16 13 8 6 2 11 CAD RFQ
SVSL-M8-20-PN M8 1.25 20 13 8 6 2 12 CAD RFQ
SVSL-M8-25-PN M8 1.25 25 13 8 6 2 14 CAD RFQ
SVSL-M8-30-PN M8 1.25 30 13 8 6 2 16 CAD RFQ
SVSL-M8-35-PN M8 1.25 35 13 8 6 2 18 CAD RFQ
Part Number M (Coarse)
Nominal of Thread
Pitch L D1 L1 B d
max.
Mass
(g)
CAD
Download
RFQ
SVSL-M3-6-PN M3 0.5 6 5.5 3 2.5 1.2 0.64 CAD RFQ
SVSL-M3-8-PN M3 0.5 8 5.5 3 2.5 1.2 0.7 CAD RFQ
SVSL-M3-10-PN M3 0.5 10 5.5 3 2.5 1.2 0.76 CAD RFQ
SVSL-M3-12-PN M3 0.5 12 5.5 3 2.5 1.2 0.81 CAD RFQ
SVSL-M4-8-PN M4 0.7 8 7 4 3 1.5 1.5 CAD RFQ
SVSL-M4-10-PN M4 0.7 10 7 4 3 1.5 1.6 CAD RFQ
SVSL-M4-12-PN M4 0.7 12 7 4 3 1.5 1.8 CAD RFQ
SVSL-M4-16-PN M4 0.7 16 7 4 3 1.5 2 CAD RFQ
SVSL-M4-20-PN M4 0.7 20 7 4 3 1.5 2.3 CAD RFQ
SVSL-M5-8-PN M5 0.8 8 8.5 5 4 1.5 2.3 CAD RFQ
SVSL-M5-10-PN M5 0.8 10 8.5 5 4 1.5 2.5 CAD RFQ
SVSL-M5-12-PN M5 0.8 12 8.5 5 4 1.5 2.8 CAD RFQ
SVSL-M5-16-PN M5 0.8 16 8.5 5 4 1.5 3.2 CAD RFQ
SVSL-M5-20-PN M5 0.8 20 8.5 5 4 1.5 3.6 CAD RFQ
SVSL-M6-10-PN M6 1 10 10 6 5 2 4.4 CAD RFQ
SVSL-M6-12-PN M6 1 12 10 6 5 2 4.7 CAD RFQ
SVSL-M6-16-PN M6 1 16 10 6 5 2 5.2 CAD RFQ
SVSL-M6-20-PN M6 1 20 10 6 5 2 5.8 CAD RFQ
SVSL-M6-25-PN M6 1 25 10 6 5 2 6.7 CAD RFQ
SVSL-M6-30-PN M6 1 30 10 6 5 2 7.3 CAD RFQ
SVSL-M8-16-PN M8 1.25 16 13 8 6 2 11 CAD RFQ
SVSL-M8-20-PN M8 1.25 20 13 8 6 2 12 CAD RFQ
SVSL-M8-25-PN M8 1.25 25 13 8 6 2 14 CAD RFQ
SVSL-M8-30-PN M8 1.25 30 13 8 6 2 16 CAD RFQ
SVSL-M8-35-PN M8 1.25 35 13 8 6 2 18 CAD RFQ
Part Number M (Coarse)
Nominal of Thread
Pitch L D1 L1 B d
max.
Mass
(g)
CAD
Download
RFQ
SVSL-M3-6-PN M3 0.5 6 5.5 3 2.5 1.2 0.64 CAD RFQ
SVSL-M3-8-PN M3 0.5 8 5.5 3 2.5 1.2 0.7 CAD RFQ
SVSL-M3-10-PN M3 0.5 10 5.5 3 2.5 1.2 0.76 CAD RFQ
SVSL-M3-12-PN M3 0.5 12 5.5 3 2.5 1.2 0.81 CAD RFQ
SVSL-M4-8-PN M4 0.7 8 7 4 3 1.5 1.5 CAD RFQ
SVSL-M4-10-PN M4 0.7 10 7 4 3 1.5 1.6 CAD RFQ
SVSL-M4-12-PN M4 0.7 12 7 4 3 1.5 1.8 CAD RFQ
SVSL-M4-16-PN M4 0.7 16 7 4 3 1.5 2 CAD RFQ
SVSL-M4-20-PN M4 0.7 20 7 4 3 1.5 2.3 CAD RFQ
SVSL-M5-8-PN M5 0.8 8 8.5 5 4 1.5 2.3 CAD RFQ
SVSL-M5-10-PN M5 0.8 10 8.5 5 4 1.5 2.5 CAD RFQ
SVSL-M5-12-PN M5 0.8 12 8.5 5 4 1.5 2.8 CAD RFQ
SVSL-M5-16-PN M5 0.8 16 8.5 5 4 1.5 3.2 CAD RFQ
SVSL-M5-20-PN M5 0.8 20 8.5 5 4 1.5 3.6 CAD RFQ
SVSL-M6-10-PN M6 1 10 10 6 5 2 4.4 CAD RFQ
SVSL-M6-12-PN M6 1 12 10 6 5 2 4.7 CAD RFQ
SVSL-M6-16-PN M6 1 16 10 6 5 2 5.2 CAD RFQ
SVSL-M6-20-PN M6 1 20 10 6 5 2 5.8 CAD RFQ
SVSL-M6-25-PN M6 1 25 10 6 5 2 6.7 CAD RFQ
SVSL-M6-30-PN M6 1 30 10 6 5 2 7.3 CAD RFQ
SVSL-M8-16-PN M8 1.25 16 13 8 6 2 11 CAD RFQ
SVSL-M8-20-PN M8 1.25 20 13 8 6 2 12 CAD RFQ
SVSL-M8-25-PN M8 1.25 25 13 8 6 2 14 CAD RFQ
SVSL-M8-30-PN M8 1.25 30 13 8 6 2 16 CAD RFQ
SVSL-M8-35-PN M8 1.25 35 13 8 6 2 18 CAD RFQ
Part Number M (Coarse)
Nominal of Thread
Pitch L D1 L1 B d
max.
Mass
(g)
CAD
Download
RFQ
SVSL-M3-6-PN M3 0.5 6 5.5 3 2.5 1.2 0.64 CAD RFQ
SVSL-M3-8-PN M3 0.5 8 5.5 3 2.5 1.2 0.7 CAD RFQ
SVSL-M3-10-PN M3 0.5 10 5.5 3 2.5 1.2 0.76 CAD RFQ
SVSL-M3-12-PN M3 0.5 12 5.5 3 2.5 1.2 0.81 CAD RFQ
SVSL-M4-8-PN M4 0.7 8 7 4 3 1.5 1.5 CAD RFQ
SVSL-M4-10-PN M4 0.7 10 7 4 3 1.5 1.6 CAD RFQ
SVSL-M4-12-PN M4 0.7 12 7 4 3 1.5 1.8 CAD RFQ
SVSL-M4-16-PN M4 0.7 16 7 4 3 1.5 2 CAD RFQ
SVSL-M4-20-PN M4 0.7 20 7 4 3 1.5 2.3 CAD RFQ
SVSL-M5-8-PN M5 0.8 8 8.5 5 4 1.5 2.3 CAD RFQ
SVSL-M5-10-PN M5 0.8 10 8.5 5 4 1.5 2.5 CAD RFQ
SVSL-M5-12-PN M5 0.8 12 8.5 5 4 1.5 2.8 CAD RFQ
SVSL-M5-16-PN M5 0.8 16 8.5 5 4 1.5 3.2 CAD RFQ
SVSL-M5-20-PN M5 0.8 20 8.5 5 4 1.5 3.6 CAD RFQ
SVSL-M6-10-PN M6 1 10 10 6 5 2 4.4 CAD RFQ
SVSL-M6-12-PN M6 1 12 10 6 5 2 4.7 CAD RFQ
SVSL-M6-16-PN M6 1 16 10 6 5 2 5.2 CAD RFQ
SVSL-M6-20-PN M6 1 20 10 6 5 2 5.8 CAD RFQ
SVSL-M6-25-PN M6 1 25 10 6 5 2 6.7 CAD RFQ
SVSL-M6-30-PN M6 1 30 10 6 5 2 7.3 CAD RFQ
SVSL-M8-16-PN M8 1.25 16 13 8 6 2 11 CAD RFQ
SVSL-M8-20-PN M8 1.25 20 13 8 6 2 12 CAD RFQ
SVSL-M8-25-PN M8 1.25 25 13 8 6 2 14 CAD RFQ
SVSL-M8-30-PN M8 1.25 30 13 8 6 2 16 CAD RFQ
SVSL-M8-35-PN M8 1.25 35 13 8 6 2 18 CAD RFQ

● Batch cleanroom packing is provided for orders containing multiple items of the same size.

Related Services

Material/Finish

SVSL-PN
Main Body SUS316L
Surface hardening treatment
Strength Class A4-70

Application

Seizing Prevention
Vacuum devices / Vacuum chambers / FPD production equipment /
Semiconductor devices / Electron microscopes / Food industry machines

Characteristics

  • The ventilation hole easily releases gas trapped in the screw holes of equipment and machines, and supports vacuum drawing of vacuum devices.
  • Hardening the screw surface prevents screw seizing / sticking.
  • Unlike platings or coatings, there is nothing adhering to the surface, eliminating concerns about contamination due to stripping during tightening.
  • Suitable for prevention of seizing in environments where lubrication cannot be used.
  • Cleanroom washed and packed. ⇒Cleanroom Wash / Cleanroom Packing Service

Usage Example

Gas trapped at the bottom of a screw hole is released through SVSL-PN, and gas trapped in a drilled hole is released through SWAS-VF
(SWAS-VFSWAS-VF-PC).

SVSL-PNHex socket Head Cap Screws with Ventilation Hole / Surface Hardening Treatment


Precautions for Use

May have lower corrosion resistance than general SUS316L.
We recommend performing a test under the same usage conditions as in actual usage in advance.

Product List

Click here to see Galling & Seizing Prevention

Click here to see Special Screws