Jiaxing Join Fasteners Co.,Ltd. supply a wide range of Cement Board Screws. You can always rely on our team for a premium-quality, competitive pricing, on-time delivery, one-stop buy business partnership. All products are manufactured to right specification and high quality standard.
Cement Board Screws used for Cement Board to Steel. Rib design under head countersinks into dense material previenting strip outs;
Larger head diameter increases board surface contact & greater pullout resistance;
Ruspert coating offers maximum resistance to corrosion & lasts longer;
A standard screwgun with a depth sensitive Nosepiece should be used to install Rock;
For optimal fastener performance, the screwgun should be a minimum of 6 amps and have a RPM range of 0-2500;
The fastener must penetrate beyond the metal structure a minimum of 3 pitches of thread.
| Dimensions: | See Table Below |
| Material: | C1018 – C1022 Low Carbon Steel |
| Mechanical: | SAE J78 |
| Surface Hardness: HRC 50 – 56 | |
| Core Hardness: HRC 32 – 40 | |
| Case Hardness Depth: .004” – .009” | |
| Head: | Wafer |
| Drive: | Phillips #2 |
| Thread: | Fine |
| Dia/Thread Size: | See below technical sheet |
| Finish: | Ruspert |
| Point: | Type S |
| Style: | With Nibs |
| Grade: | Case Hardened |
| Type: | Cement Board Screw |
| Screw Size | A | B | C | E | F | H | |||||
|
Head Diameter |
Overall Head Height |
Nib Height |
Head Edge |
Head Edge with Teeth |
Point Length | ||||||
| Min. | Max. | Min. | Max. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | |
| #8-18x11/4 | .385 | .405 | .200 | .134 | .022 | .032 | .039 | .049 | .158 | .237 | |
| #8-18x15/8 | .196 | .276 | |||||||||
| #8-18x21/4 | .255 | .335 | |||||||||
| Screw Size | D | d | G |
Torsional Strength |
Drive Size |
|||
|
Major Diameter |
Drill Width |
Recess Penetration Gage Depth |
||||||
| Min. | Max. | Min. | Max. | Min. | Max. | Ib-in (Min.) | ||
| #8-18x11/4 | .161 | .166 | .133 | .137 | .104 | .125 | 42 | #2 |
| #8-18x15/8 | ||||||||
| #8-18x21/4 | ||||||||
| Length Tolerance:±0.040 | ||||||||
Price term: FOB,CIF,CFR,EXW,DDP,DDU.
Lead time: Normal 45-60 days.
Packing way: Packing for warehouse(bulk in master carton, small boxes packing),
DIY packing for store(tubs,cards, kits, pouches,etc.).
Payment terms: TT, LC, we offer our close clients flexible payment terms and financial solution.
Dial number +86-573-83772218 or email to bob@jjbfasteners.com, your request will be promptly replied.
Address
Zhifu Centre,Bldg. No.15-1304,1305,Xiuzhou, Jiaxing, Zhejiang, China
Tel / WhatsApp
We stand behind our products. All products are manufactured to right specification and high quality standard. Any items found defective or in shortage , an immediate investigation will be conducted and corrective action report will be issued. Claims and returns are given a nice care here.
You can always rely on our team for a premium-quality, competitive pricing, on-time delivery, one-stop buy business partnership. We have over 18 years experience in exporting various kinds of carbon steel, stainless steel, Bi-Metal fasteners.
Dial number 0086 573 83772218 or email to sales@jjbfasteners.com, your request will be promptly replied.
We rigidly carry out quality control to each step of production:
