SPAX Universal Screws T20 Countersunk Head BLAX 4 mm x 45 mm 200 Pieces 0191040400453

For carpenters, joiners and serious DIYers working with wood, chipboard, MDF or plastic, these SPAX universal screws deliver fast, reliable fastening. The 4 mm diameter and 45 mm length suit a wide range of construction and assembly tasks, while the T20 Torx drive ensures a positive bit engagement and high torque transfer without cam-out.

Key specifications

• Screw diameter: 4 mm
• Screw length: 45 mm
• Head type: Countersunk head
• Drive type: Torx T20
• Quantity per pack: 200 pieces
• Coating/finish: BLAX (black, enhanced corrosion protection)
• Material: Hardened steel
• Point type: 4CUT (patented point for easy penetration)
• Thread type: Partial thread (SPAX wavy profile for fast screwing)
• Application area: Wood, chipboard, MDF, plastic, thin metal sheets
• Recommended use: Indoor and outdoor
• Special features: Multi-head for flush countersinking, reduces splitting of wood

Why choose it

The BLAX coating provides enhanced corrosion protection, making these screws suitable for both indoor and outdoor applications. The 4CUT point reduces splitting and allows screwing without pre-drilling in many materials, saving time and effort. The wavy thread profile reduces friction and increases speed, while the countersunk head with milling pockets ensures a flush finish.

Ideal use cases

• Furniture assembly and repair
• Fitting hinges, brackets and hardware
• Fixing wooden structures and decking
• Fastening plastic components
• Light metal sheet applications

Good to know

SPAX universal screws are engineered for high performance and durability. The hardened steel construction provides strength, and the T20 drive size is standard for many power screwdrivers. Always use a suitable Torx bit to avoid damage to the screw head.