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Vented 6-Lobe Hexalobular Cap Screw

Our Vented 6-Lobe Hexalobular Cap Screws host a six-lobe recess and are driven using a 6-Lobe wrench or insert bit, improving their efficiency compared to slotted screws and hex drive screws.

Often referred to as a Torx head capscrew or an Allen bolt, these screws have a cylindrical head and are usually supplied in 12.9 grade steel, making them a high strength fastener and suitable for very demanding applications.

The vent in the screw allows trapped air and gas to escape after the screw has been threaded, avoiding a virtual leak in the application.

Manufactured in grade 8.8 and 12.9 Steel, A2 Stainless Steel and A4 Stainless Steel as standard. Other materials and finishes are available on request.

Available at Fastenright in sizes ranging from M3 to M16 as standard, with other sizes available to order.

We also offer vented hexalobular socket cap head screws in UNC, UNF, BSW and BSF, with a tamper-resistant security drive also available upon request.

Non-standard sizes, materials and finishes are available to order as specials, including small volume manufacture, modifications and bespoke parts made to drawings. Minimum order quantities apply.

vented 6 lobe torx hexalobular screws technical drawing

d3 dimension can be to customer specification.

Technical Data & Availability
Thread
Diameter (d)
M3 M4 M5 M6 M8 M10 M12 M14 M16
d2 (mm) 5.5
7
8.5
10
13
16
18
21
24
k max. (mm) 3 4
5
6
8 10
12
14
16
d3 (mm) 1.5 1.5
1.5
2
2
3
3
3
3
Pitch (mm) 0.5 0.7
0.8
1
1.25 1.5
1.75 2
2
Drive TX10 TX20
TX25 TX30
TX45
TX50
TX45


Available
Lengths (L)
M3 M4 M5 M6 M8 M10 M12 M14 M16
4mm black icon image
5mm black icon image black icon image
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12mm black icon image black icon image black icon image black icon image black icon image black icon image black icon image
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black icon image = Available
Size not listed? Please make an enquiry – we may be able to provide it.
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