• Special Screws
  • Chemical Resistance

SNHS-M8-HTF

Hex Head Screws - Teflon Coating for Head

  • Chemical-proof

Dimension Drawing

SNHS-HTFHex Head Screws - Teflon Coating for Head寸法図

Specs/CAD

Select

M (Coarse)
Nominal of Thread
All
M8
L
All
16
20
25
30
35

Unit : mm

Part Number M (Coarse)
Nominal of Thread
Pitch L L1 B Recommended Torque
(N・m)
Qty per Pack Mass
(g)
Price
(USD)
CAD
Download
Standard
SNHS-M8-16-HTF M8 1.25 16 5.3 13 9.2 1 11 7.25 CAD Cart
SNHS-M8-20-HTF M8 1.25 20 5.3 13 9.2 1 13 7.25 CAD Cart
SNHS-M8-25-HTF M8 1.25 25 5.3 13 9.2 1 14 7.56 CAD Cart
SNHS-M8-30-HTF M8 1.25 30 5.3 13 9.2 1 16 7.74 CAD Cart
SNHS-M8-35-HTF M8 1.25 35 5.3 13 9.2 1 18 7.90 CAD Cart

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Material/Finish

SNHS-HTF
Main Body SUSXM7
(Equivalent to SUS304)*2
Teflon*1Coating (Head Only)

*1: Teflon is a registered trademark of DuPont.
*2: The baking finish during coating changes the color of the screw thread.


Application

FPD production equipment, semiconductor fabrication wet processes,
printed circuit board etching devices, metallic surface treatment
equipment and facilities, cleaning equipment, and chemical plants

Characteristics

  • Only the screw head is coated with Teflon. This increases the chemical resistance of the screw head.
  • Chemical Resistance of Teflon ⇒Chemical Resistance of Chemical Resistance Screws
  • To increase chemical resistance, the coating membrane is thickened (to approximately 50 μm). The screw thread is not coated, so thread precision is not affected.
  • Use with SWS-HTF Sealing Washer (Teflon coating) to prevent chemical liquids from moving from the bearing surface to the thread. SWS-HTF

Precautions for Use

  • Friction during tightening may remove the coating. Take care not to tighten too much. Apply the recommendation torque or lower for tightening.
  • For tightening, use a socket wrench with a hexagonal socket.

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