M12 x 1.25P Super Fiine Thread, Hex Set Screw (fully threaded), High Tensile/ 8.8, Self Colour, DIN 933.

M10 x 1.25 Pitch (fine), Hexagon, Set Screw, High Tensile (8.8), Self Colour, DIN 912.

M12 x 1.25P (super-fine), SET Screw, Hex (8.8), Self-Colour., Set Screw, Hex Head (fully threaded), METRIC - Hex/ Set Screw, Fixaball Fixings and Fasteners

M12 x 1.25P Super Fiine Thread, Hex Set Screw (fully threaded), High Tensile/ 8.8, Self Colour, DIN 933.

M12 x 1.25 Pitch (super-fine), Hexagon, Set Screw, High Tensile (8.8), Self Colour, DIN 961. Fixaball.co.uk sells all lengths of M12 x 1.25P hexagon head, set screw-bolts, at the best internet...

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M12 x 1.25 Pitch (super-fine), Hexagon, Set Screw, High Tensile (8.8), Self Colour, DIN 961.

Fixaball.co.uk sells all lengths of M12 x 1.25P hexagon head, set screw-bolts, at the best internet prices, with free delivery.

Orders placed before 2pm are usually dispatched same day (Mon-Fri).

Please choose your size and pack quantity from the drop down menus.

Head Type: Hexagon Head.

Lengths available: 25mm, 30mm, 35mm, 40mm, 50mm.

Bolt vs Screw

A screw, screws into something, a bolt joins several things together from the outer sides of materials joined. A screw is fully threaded from underneath the head and a bolt is partially threaded (has a part-plain shank/ shoulder)

Spanner Sizes

FIXABALL – Specialist Fixings and Fasteners Spanner Sizes METRIC - Hexagon Head Bolts/ Sets
Thread Size/ Diameter	Spanner Size
M3 (3mm)	5.5mm
M4 (4mm)	7mm
M5 (5mm)	8mm
M6 (6mm)	10mm
M8 (8mm)	13mm
M10 (10mm)	17mm
M12 (12mm)	19mm
M14 (14mm)	22mm
M16 (16mm)	24mm

They come in the following materials:

High Tensile (8.8, 10.9, 12.8), Zinc Plated, Brass, A2 Stainless (regular), A4 Stainless (marine)

Threads

Metric Coarse and Metric Fine (M1, M2, M3.... M10, etc.) dimensions are measured in Millimetres (mm) units and were developed to simplify the imperial systems. Europe moved to this system but the Americans choose Imperial as their default. A coarse thread has less helical coils per mm and a fine one has more. Coarse is used for heavier loads and fine is used for lighter loads prone to vibrations.

Metric Threads/ Pitches
Fixaball.co.uk – Specialists in Fixings and Fasteners
	Pitch / Thread Types
Size	Standard/ Coarse	Fine	Super Fine
M1.6	0.35
M2	0.4
M2.5	0.45
M3	0.5
M4	0.7
M5	0.8
M6	1.0
M7	1.0
M8	1.25	1.0
M10	1.5	1.25	1.0
M12	1.75	1.5	1.25
M14	2.0	1.5
M16	2.0	1.5
M18	2.5	2.0	1.5
M20	2.5	2.0	1.5
M22	2.5	2.0	1.5
M24	3.0	2.0
M27	3.0	2.0
M30	3.5	2.0
M33	3.5
M36	4.0
M39	4.0
M45	4.5
M52	5.0
M56	5.5