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SNHS-HTF/Hex Head Screws - PFA Coating for Head

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Dimension Drawing

SNHS-HTFHex Head Screws - PFA Coating for Head

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 Price
(USD)
CAD
Download
QTY
(Piece)
M (Coarse)
Nominal of Thread
Pitch L L1 B Recommended Torque
(N・m)
Mass
(g)
SNHS-M3-6-HTF 7.90 CAD Cart M3 0.5 6 2 5.5 0.5 0.67
SNHS-M3-8-HTF 7.90 CAD Cart M3 0.5 8 2 5.5 0.5 0.76
SNHS-M3-10-HTF 7.90 CAD Cart M3 0.5 10 2 5.5 0.5 0.85
SNHS-M3-12-HTF 7.90 CAD Cart M3 0.5 12 2 5.5 0.5 0.94
SNHS-M3-16-HTF 7.98 CAD Cart M3 0.5 16 2 5.5 0.5 1.1
SNHS-M4-8-HTF 7.90 CAD Cart M4 0.7 8 2.8 7 1.1 1.6
SNHS-M4-10-HTF 7.90 CAD Cart M4 0.7 10 2.8 7 1.1 1.7
SNHS-M4-12-HTF 7.98 CAD Cart M4 0.7 12 2.8 7 1.1 1.9
SNHS-M4-16-HTF 7.98 CAD Cart M4 0.7 16 2.8 7 1.1 2.2
SNHS-M4-20-HTF 7.98 CAD Cart M4 0.7 20 2.8 7 1.1 2.5
SNHS-M5-10-HTF 7.98 CAD Cart M5 0.8 10 3.5 8 2.2 2.8
SNHS-M5-12-HTF 7.98 CAD Cart M5 0.8 12 3.5 8 2.2 3
SNHS-M5-16-HTF 8.40 CAD Cart M5 0.8 16 3.5 8 2.2 3.5
SNHS-M5-20-HTF 8.40 CAD Cart M5 0.8 20 3.5 8 2.2 4
SNHS-M5-25-HTF 8.58 CAD Cart M5 0.8 25 3.5 8 2.2 4.7
SNHS-M6-12-HTF 8.40 CAD Cart M6 1 12 4 10 3.8 4.9
SNHS-M6-16-HTF 8.58 CAD Cart M6 1 16 4 10 3.8 5.6
SNHS-M6-20-HTF 8.58 CAD Cart M6 1 20 4 10 3.8 6.3
SNHS-M6-25-HTF 8.66 CAD Cart M6 1 25 4 10 3.8 7.2
SNHS-M6-30-HTF 8.66 CAD Cart M6 1 30 4 10 3.8 8.1
SNHS-M8-16-HTF 9.42 CAD Cart M8 1.25 16 5.3 13 9.2 11
SNHS-M8-20-HTF 9.42 CAD Cart M8 1.25 20 5.3 13 9.2 13
SNHS-M8-25-HTF 9.86 CAD Cart M8 1.25 25 5.3 13 9.2 14
SNHS-M8-30-HTF 10.08 CAD Cart M8 1.25 30 5.3 13 9.2 16
SNHS-M8-35-HTF 10.17 CAD Cart M8 1.25 35 5.3 13 9.2 18

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Material/Finish

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

*1: 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 PFA (Perfluoroalkoxy Alkane). This increases the chemical resistance of the screw head.
  • Chemical Resistance of PFA ⇒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 ( coating) to prevent chemical liquids from moving from the bearing surface to the thread. SWS-HTF

Precautions for Use

  • Due to the thickness of the coating, the fit with the socket may be tight. Please exercise caution when using a socket, as the coating may peel off.
  • Apply the recommended tightening torque or lower.

Product List

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