550 Piece Hex Washer Tek Screw Assortment Refill
When the 24-hole labeled metal drawer from your Starter Kit is running low and you need to restock before the next job, this refill delivers the same 550 self-drilling hex washer head tek screws — #8, #10, #12, and #14 in the most-used lengths — without paying for storage you already own. For customers who already have the 550-Piece Hex Washer Tek Screw Starter Kit, this refill drops straight back into the existing drawer.
What's Included
- Self-drilling hex washer head tek screws — #8, #10, #12, and #14 in the most widely used lengths per size
- 550 pieces total
- Storage not included — this refill is sized for the 24-hole labeled metal drawer from the 550-Piece Hex Washer Tek Screw Starter Kit
Don't have a drawer yet? The Starter Kit includes the organized 24-hole metal drawer along with the same 550-piece tek screw assortment.
Specifications
| Screw type | Self-drilling hex washer head (Tek screw) |
| Sizes | #8, #10, #12, #14 |
| Material | Carbon steel |
| Finish | Zinc plated |
| Drive | 5/16" hex washer head |
| Point | Self-drilling — no pilot hole required |
| Total pieces | 550 |
| Storage included | No — refill only |
| Compatible starter kit | 550-Piece Hex Washer Tek Screw Starter Kit (ASSTHWTSD) |
| SKU | ASSTHWTSDREFIL |
Best For
- Electrical contractors — tek screws are the standard fastener for mounting electrical boxes, conduit supports, and enclosures to metal studs and light structural members
- Roofing contractors — metal roofing panels, eave trim, and ridge cap attachment on steel and corrugated panels across the #10–#14 range
- HVAC sheet metal shops — duct work assembly, plenum attachment, and equipment mounting all use hex washer tek screws at high volume
- Metal building erectors — wall panel and trim attachment on steel-framed structures burns through tek screws quickly enough that restocking mid-project is common
Starter Kit vs. Refill — Which Do I Need?
| Starter Kit | This Refill | |
| Tek screws (550 pcs) | ✓ | ✓ |
| 24-hole labeled metal drawer | ✓ Included | — Already own one |
If this is your first purchase, start with the 550-Piece Hex Washer Tek Screw Starter Kit, which includes the organized 24-hole labeled metal drawer. This refill is for customers who already own the storage and just need to restock the screws.
Shipping & Ordering
- Ships within 1–2 business days from our warehouse
- Volume pricing available — save up to 20% when ordering 3 or more
- Reorder regularly? Ask us about a B2B account with custom pricing — contact us