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]

Screw material

Thread length [mm]

Units x

Packing type

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

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Selfdrilling screw mushroom head BTT

Selfdrilling screw wider head and SIT recess easier screwed

Further specifications

Areas of application