self and drilling screws

Diameter range: 2.9 to 6.3mm
Length range: 9.5 to 100mm
Use: mainly used for constructions including steel structural buildings

China Fasteners,Hex Bolts Chipboard Screw, Drywall Screw,Self Drilling Screw,

Fastenwell is your reliable manufacturer of machine screws, self tapping screws, self drilling screws, chipboard screws, wood screws, drywall screws.

Self Drilling Screw,Bolt

pan head self drilling screw , with/without serration under head .

Click to enlarge image
Designed for producing stainless steel self-drilling screws and lengthened self-drilling screws.
Curved surface desing o

Self drilling screw
zinc coated
pan head
cross phillips drive

ITEM:eye screw. machine scre. tapping screw. wood screw arriage bolt, hex bolt. nut
SS201. SS304/B8. SS316/B8M. S32205
D: M1.6-M75 L:6-200mm or

Features:
1) Drilling screws with flat head, wafer head, or hex head
2) Zinc plated or black phosphate coated
3) All sizes available
Inner

Modified truss head self-drilling screw

The downhole motor is a kind of drilling tools developed for converting hydraulic energy into mechanical energy through a conjugate stator and rotor.

 
galvanized steel greenhouse frame parts Ø5.5mm 25mm long self drilling screw
 

Quick Details
Properti

screws used in roof board and steel board,etc

Cross Flat Head Metal Self Tapping Screws, Cross Drilling Bugle Head Screws
 
<span style="font-fa

Self drilling screw
zinc coated
frame head
cross philip drive

wafer head self-drilling screw

Many sizes available in stock.

Pan framing head self-tapping screw

Self-tapping screws directly supplied by the manufacturer.High Strength Steel Self-tapping screws.

Large Wafer Head Self Drilling Screw
Pan Framing Head Self Drilling Screws
Bulge Head Self Drilling Screw
CSK Head Philips Self Drilling Screw
etc

 
galvanized steel greenhouse frame parts Ø5.5mm 25mm long self drilling screw
 

Flat head with ribs
Phillips drive
Hardened
With wing

Self-drilling screws directly supplied by the manufacturer.Various types of self-drilling nails can be produced.

Self drilling screw
zinc coated
wafer head
cross phillips drive

Standard :DIN,JIS ISO ,BS,ANSI...ETC

Hexagonal/countersunk/wafer/frame/bugle head/ drilling point

1.The magnetic holder is convenient device to attract and collect bolts and nails.
2.Strap is fully adjustable to fit any wrist.

Large Wafer Head Self Drilling Screw
Pan Framing Head Self Drilling Screws
Bulge Head Self Drilling Screw
CSK Head Philips Self Drilling Screw
etc

DY-drill motor is a positive displacement motor (PDM) manufactured on the base of Curtate Hypocycloid Corporation Principle. These motors have steady