One-way Slotted Sex Thread Bolt | black phosphate self-drilling screws for metal fabrication

One-way Slotted Sex Thread Bolt w/ 20 Serration under Head | corrosion-resistant black screws for industrial applications

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One-way Slotted Sex Thread Bolt | durable self-drilling screws for heavy-duty construction

Sen Chang's black phosphate self-drilling screw is engineered for high performance in demanding industrial and construction environments. The black phosphate coating not only provides excellent corrosion resistance but also enhances the screw's strength, ensuring a secure and reliable fastening. With a self-drilling tip, these screws eliminate the need for pre-drilling, making installation quicker and more efficient.

These screws are ideal for use in metal fabrication, construction, and other heavy-duty applications where both durability and precision are essential. The black phosphate finish gives the screw an added layer of protection against the elements, making it suitable for both indoor and outdoor use. Trust Sen Chang's self-drilling screws to deliver the strength and longevity needed for your most challenging projects.

At Sen Chang, we have been delivering precision fastening solutions backed by cutting-edge technology and over 48 years of industry expertise. Our commitment is to meet and exceed each customer's unique demands, ensuring quality and reliability in every product we offer.

One-way Slotted Sex Thread Bolt - One-way Slotted Sex Thread Bolt w/ 20 Serration under Head
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One-way Slotted Sex Thread Bolt

BTS-121121-1

Process: Using multi blow header for head formation before threading, and then acid washing
All the items are inspected during the process and before shipping, complying with ISO Working Instruction
Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector
Measurement Points: Across the flat and corner, Length, Head height, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO/NO GO

Features

  • 20 Serration under Screw Head

Specification

  • Item Material: 302HQ
  • Item Size: #10-24*1/2
  • Available Stainless Steel Material: 302HQ、 304SS 、305SS 、316SS 、410SS 、420SS 430SS

Available Product

  • Head Diameter M1.6~M16/#00~#5/8
  • Length 1/8”~12”/3.175mm~600mm

Product Application Range

We provide customers with satisfactory products and services Stainless Steel Wires
Stainless Steel Wire
Type: AISI 302HQ, 304, 305, 316, 410, 410H, 430
Diameter: 0.80~25.00mm


Stainless Steel Screws
Diameter M2~M16 / #00~#5/8
Length 1/8"~12" / 3.175mm~300mm
A. Material
Steel, Brass, Stainless (18-8SS, 410, 430), Copper
B. Drives
1. Phillips
2. Slotted
3. Phillips / Slot Combination
4. Square / Phillips Combination
5. 6 Lobe
6. POZI
7. Square Drive
8. Hexagon
9. One way (Tamperproof)
C. Head Styles
1. Round
2. Pan
3. Flat
4. Ind. Hex & Hex Washer
5. Oval
6. Truss
7. Fillister
8. Binding
D. Sheet Metal Screws
Type A, B, AB thread
E. Thread Cutting Screws
Type F, Type T or 23, Type B or 25, Type A. AB or 17, Special moon-cut, Spoon cut
F. Machine Screws
G. Socket Fasteners
1. Socket Cap Screws
2. Low Head Socket Cap Screws
3. Button Socket Cap Screws
4. Flat Socket Cap Screws
5. Shoulder Bolts
H. Main Products & Miscellaneous Screws
1. Security Screws
2. Nails
3. Socket Set Screws - cup point
4. Combo Screws
5. DIN 7995 assembled with washer
6. Special SEMS
7. Drywall Screws
8. PHIL / SLOT Side Walk Screws
9. Chipboard Screws
10. Wood Screws-Phillips and Slotted
11. Self-Drilling Screws
12. Special-Coating Screws
13. Coarse (DEEP) Thread Screws
14. Special Window Screws
15. Head Painted Screws
16. Drive Screws Round Head Type U
17. Special Screws with thread in Triangular Shape
18. CSK SQ Drive #2 Chipboard 4 Ribs Coarse Thread
19. Thumb Screws with Shoulder and without Shoulder
20. Square Drive Deck Screws-bugle head, Type 17 Cutting Point
21. Screws with High Thread and Low thread combined together
22. Special Screws with Thread angle 30 degree and root in "V" shape
23. Hex head Self Tapping Screws 304 S/S high Tensile, Torsion and Hardness

Produce per customer's drawing & samples or IFI, DIN, BS, JIS,ISO
If we don't have the fastener your looking for, give us a call anyway, because if we don't have it, we'll make it!!