Tecfi Spa Logo

Home | Fixing systems for renewable energy plants | NW31

Fixing systems for renewable energy plants

  • Fixings on wood

    Fixings on wood

Applications

NW31

NW31

Hex shank dual thread (machine + wood) screw for solar systems fixing, assembled with 1 hex nylon insert lock nut, 2 hex flanged nuts and Washers, in A2 stainless steel (AISI 304), and EPDM gasket

  • Hex bracket
  • A2 Stainless Steel
  • A1
    Fire reaction

    A1

    Fire reaction
  • EN 14592:2008

    EN 14592:2008

Technical drawing

Code

Screw diameter
Ø (mm)

Screw size
M

Length
L (mm)

Threads length
Lm (mm)

Threads length
L1 (mm)

Pcs. per box

Pcs. per carton

NW 31 08 150 8 M8 150 65 65 50 250

NW 31 08 200 8 M8 200 95 65 25 125

NW 31 10 160 10 M10 160 70 70 25 125

NW 31 10 200 10 M10 200 90 70 25 125

NW 31 10 250 10 M10 250 140 70 25 125

NW 31 10 300 12 M12 300 190 70 20 100

NW 31 12 200 12 M12 200 100 80 20 100

NW 31 12 250 12 M12 250 100 100 20 100

NW 31 12 300 12 M12 300 150 100 15 75

NW 31 12 350 12 M12 350 200 100 15 75

NW 31 12 400 12 M12 400 200 100 - 15

Screw diameter
Ø (mm)

8

Screw size
M

M8

Length
L (mm)

150

Threads length
Lm (mm)

65

Threads length
L1 (mm)

65

Pcs. per box

50

Pcs. per carton

250

Notes

Fire Reaction A1 (metal part only), certificate ce

Screw diameter
Ø (mm)

8

Screw size
M

M8

Length
L (mm)

200

Threads length
Lm (mm)

95

Threads length
L1 (mm)

65

Pcs. per box

25

Pcs. per carton

125

Notes

Fire Reaction A1 (metal part only), certificate ce

Screw diameter
Ø (mm)

10

Screw size
M

M10

Length
L (mm)

160

Threads length
Lm (mm)

70

Threads length
L1 (mm)

70

Pcs. per box

25

Pcs. per carton

125

Notes

Fire Reaction A1 (metal part only), certificate ce

Screw diameter
Ø (mm)

10

Screw size
M

M10

Length
L (mm)

200

Threads length
Lm (mm)

90

Threads length
L1 (mm)

70

Pcs. per box

25

Pcs. per carton

125

Notes

Fire Reaction A1 (metal part only), certificate ce

Screw diameter
Ø (mm)

10

Screw size
M

M10

Length
L (mm)

250

Threads length
Lm (mm)

140

Threads length
L1 (mm)

70

Pcs. per box

25

Pcs. per carton

125

Notes

Fire Reaction A1 (metal part only), certificate ce

Screw diameter
Ø (mm)

12

Screw size
M

M12

Length
L (mm)

300

Threads length
Lm (mm)

190

Threads length
L1 (mm)

70

Pcs. per box

20

Pcs. per carton

100

Notes

Fire Reaction A1 (metal part only), certificate ce

Screw diameter
Ø (mm)

12

Screw size
M

M12

Length
L (mm)

200

Threads length
Lm (mm)

100

Threads length
L1 (mm)

80

Pcs. per box

20

Pcs. per carton

100

Notes

Fire Reaction A1 (metal part only), certificate ce

Screw diameter
Ø (mm)

12

Screw size
M

M12

Length
L (mm)

250

Threads length
Lm (mm)

100

Threads length
L1 (mm)

100

Pcs. per box

20

Pcs. per carton

100

Notes

Fire Reaction A1 (metal part only), certificate ce

Screw diameter
Ø (mm)

12

Screw size
M

M12

Length
L (mm)

300

Threads length
Lm (mm)

150

Threads length
L1 (mm)

100

Pcs. per box

15

Pcs. per carton

75

Notes

Fire Reaction A1 (metal part only), certificate ce

Screw diameter
Ø (mm)

12

Screw size
M

M12

Length
L (mm)

350

Threads length
Lm (mm)

200

Threads length
L1 (mm)

100

Pcs. per box

15

Pcs. per carton

75

Notes

Fire Reaction A1 (metal part only), certificate ce

Screw diameter
Ø (mm)

12

Screw size
M

M12

Length
L (mm)

400

Threads length
Lm (mm)

200

Threads length
L1 (mm)

100

Pcs. per box

-

Pcs. per carton

15

Notes

Fire Reaction A1 (metal part only), certificate ce

Hex shank dual thread (machine + wood) screw for photovoltaic panel fixing, assembled with 3 hex nuts (according to DIN 934) in A2 stainless steel (AISI 304) property class 70, EPDM based thermoplastic elastomer black gasket, and Washers (for more details see below).

FURTHER DETAILS:

About Ø8/M8: Dual thread screw assembled with:

- No. 1 A2 S/S Hexagonal nylon insert lock nut (according to DIN 985) - (cod. DJ 51)

No. 1 A2 S/S plain washer large series (according to ISO 7093 - DIN 9021) - (cod. NJ 21)

- No. 1 A2 S/S washer (according to ISO 7089 - DIN 125) - (cod. PA 21)

- No. 1 A2 S/S plain washer large series (according to ISO 7093 - DIN 9021) - (cod. NJ 21)

- No. 1 EPDM based TPV gasket, black colour - (cod. PC 01)

About Ø10/M10 and Ø12/M12: Dual thread screw assembled with:

- No. 1 A2 S/S Hexagonal nylon insert lock nut (according to DIN 985) - (cod. DJ 51)

No. 1 A2 S/S plain washer large series (according to ISO 7093 - DIN 9021) - (cod. NJ 21)

- No. 1 A2 S/S washer (according to ISO 7089 - DIN 125) - (cod. PA 21)

- No. 1 EPDM based TPV gasket, black colour - (cod. PC 01)

DoP - Declaration of Performance IT-EN | (1 MB)
Test report - EN | (2 MB)
  • NW21
    NW21
    Hex shank dual thread (machine + wood) screw for solar systems fixing, assembled with 3 hex flanged nuts and Washer, in A2 stainless steel (AISI 304), and EPDM gasket
    NW01
    NW01
    Hex shank dual thread (machine + wood) screw for solar systems fixing, assembled with 3 hex nuts and Washers, in A2 stainless steel (AISI 304), and EPDM gasket
    NW51
    NW51
    A2 stainless steel (AISI 304) Hex shank dual thread (machine + wood) screw
  • ZJE71
    ZJE71
    A4 (AISI 316) stainless steel wedge anchor, with nut and washer, ETA-CE Opt.7 certified
    FI
    FI
    EPDM umbrella gasket (Ø 25) assembled with metal washer (Ø 24)
    BIM02
    BIM02
    BIMETAL (A2 stainless steel + carbon steel hardened) hexagonal flat washer head with undercut self drilling screw, special coating “Steel Saver® 1000h - R”, ETA-CE certified
    XU
    XU
    Aluminium alloy (Mg 5%) open end blind folding rivet with gasket, dome head, with aluminium break pull mandrel
  • PF51
    PF51
    A2 (AISI 304) stainless steel heavy plate with hole and loop, to be used with Tecfi NW screws for solar systems fixing