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Titanium Hex Socket Head Cap Screws with Captive Washers

  • Vacuum
  • Cleanroom Specification
  • Chemical-proof
  • Nonmagnetic
  • Light Weight
  • Easy to Use
  • LowOutgas

Dimension Drawing

SNSI1TTitanium Hex Socket Head Cap Screws with Captive Washers寸法図



M (Coarse)
Nominal of Thread

Unit : mm

Part Number M (Coarse)
Nominal of Thread
Pitch L D1 D L1 B t Mass
SNSI1T-M5-10 M5 0.8 10 8.5 10 5 4 1 1.8 5.72 CAD Cart
SNSI1T-M5-12 M5 0.8 12 8.5 10 5 4 1 2 5.88 CAD Cart
SNSI1T-M5-16 M5 0.8 16 8.5 10 5 4 1 2.3 6.67 CAD Cart
SNSI1T-M5-20 M5 0.8 20 8.5 10 5 4 1 2.6 6.91 CAD Cart
SNSI1T-M5-25 M5 0.8 25 8.5 10 5 4 1 3 7.62 CAD Cart

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

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Related Services


Screw Body TW340 (Grade 2 Titanium)
Plain Washer*1 TP340 (Grade 2 Titanium)

*1: The material of SNSI1T-M3 is TP270 (grade 1 titanium).


Lighter-weight automobiles, aircrafts/aerospace equipment, robots, etc.
FPD production equipment / Semiconductor manufacturing equipment / Electrical and electronic equipment / Offshore instruments / Plating facilities / General industrial equipment


  • Titanium hex socket head cap screws with captive washers.
  • Plain washers are integrated into the screws, preventing concerns about fallout issues. (Washer abbreviation: I=1)
  • When using a washer in spot facing, workability is improved because the bolt and washer can be mounted and removed at the same time.
  • The specific gravity is approximately 60% that of stainless steel.
  • Non-magnetic.
  • Excellent chemical resistance / seawater resistance.
  • Special chemical polishing and brightening treatment improve the quality of the surface. Additionally, products have been cleanroom washed and packed. Cleanroom specification prevents oil and dirt from adhering.⇒Cleanroom Wash / Cleanroom Packing Service

SNSI1TTitanium Hex Socket Head Cap Screws with Captive Washers

Mechanical Properties

TW270 (Grade 1 Titanium) TW340 (Grade 2 Titanium)
Tensile Strength (N/mm2) 270-410 340-510
0.2% Proof Load (N/mm2) 165 or More 215 or More
Elongation (%) 27 or More 23 or More

Values in chart are for reference only. They are not guaranteed values.

Physical Property

TW270 (Grade 1 Titanium)
TW340 (Grade 2 Titanium)
Specific Gravity 4.51
Melting Point (°C) 1668
Longitudinal Elastic Modulus (GPa) 106
Thermal Conductivity (W/(m・K)) 17.16
Linear Expansion Coefficient (K-1) 8.4 × 10-6
Electric Resistance (µΩ・m) 0.55
Amplitude Permeability (µ) 1.0001 (Nonmagnetic)

Values in chart are for reference only. They are not guaranteed values.

Product List

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