
Product codes & specifications
| Product code | Spec | ||
|---|---|---|---|
| 641 BH | Size: #6 (3.5 mm) x 41 mm | Thread: Hi-Lo | ||
| 657 BH | Size: #6 (3.5 mm) x 57 mm | Thread: Hi-Lo |
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#6 bugle head self-drilling drywall screws with Hi-Lo thread, for fixing gypsum board to steel studs 0.6-2 mm.
| Head | Bugle head |
|---|---|
| Drive | Phillips |
| Point | Drill point (double flute) |
| Gauge / diameter | #6 (3.5 mm) |
| Material | Carbon steel (case-hardened) |
| Application | Gypsum board to steel 0.6-2 mm |
| Source | Myunghwa Metal product list (mhs.co.kr) |
| 641 BH | Size: #6 (3.5 mm) x 41 mm | Thread: Hi-Lo | |
| 657 BH | Size: #6 (3.5 mm) x 57 mm | Thread: Hi-Lo |
Need a different model, or a part not listed here? Send us your parts list →
641 BH, 657 BH
Send the Myunghwa Metal part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

| Product code | Spec | ||
|---|---|---|---|
| 641 BH | Size: #6 (3.5 mm) x 41 mm | Thread: Hi-Lo | ||
| 657 BH | Size: #6 (3.5 mm) x 57 mm | Thread: Hi-Lo |
Need a different model, or a part not listed here? Send us your parts list →





