Selfdrilling screw mushroom head BTT

Selfdrilling screw wider head and SIT recess easier screwed

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Description

The CELO selfdrilling screw BTT mushroom head and SIT recess has the perfect fit between recess and screw for easy screwing. The SIT recess allows a perfect transmission of the tightening torque. Its conical inner shape centers the screwing and allows to keep the screw fixed to the recess facilitating its installation. Made of high quality steel, It is available in blue zinc plated.

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Type

Diameter [mm]

Length [mm]

Coating

Thread length [mm]

Units x

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Reference	Type	Diameter [mm]	Length [mm]	Coating	Thread length [mm]	Units x	Packing type
94213BTT	Ø4,2x13	4,2	13	Galvanized	6	500	Box
94216BTT	Ø4,2x16	4,2	16	Galvanized	9	500	Box
94219BTT	Ø4,2x19	4,2	19	Galvanized	12	250	Box
94225BTT	Ø4,2x25	4,2	25	Galvanized	18	250	Box
94819BTT	Ø4,8x19	4,8	19	Galvanized	10	500	Box
9K44819BTT	Ø4,8x19	4,8	19	Zinc flake coated	10	500	Box
94825BTT	Ø4,8x25	4,8	25	Galvanized	16	500	Box
9K44825BTT	Ø4,8x25	4,8	25	Zinc flake coated	16	500	Box