Conventional 5-piece structured products changed to a 2-piece structure!D-Lock is a new creative set of simple 2-piece structured bolts combining functional accessary parts with on-site workability.

D-Lock Bolt comes with high corrosion protection coat to clear SST5000 (clearing 5000 hours salt spray test) added to hot-dip zinc-tin alloy plating.

Bolts for temporary construction that can be used repeatedly. This eco-friendly bolt can reduce disposal costs. Large screw-thread pitch, which increases speed of work. Scratch-resistant screw structure. Size markings on bolt heads. Thick shaft structure to meet with shear stress strength standard. 

Lock Nut incorporates a unique wedge principle to create a powerful self-locking force.

Lock Nut incorporates a unique wedge principle to create a powerful self-locking force.

A special welding process joins 300 series (18-8) austenitic stainless steel with high corrosion resistance to the hardened carbon steel tip for excellent drilling performance.

The combination of two best advantages of stainless steel, which are used for the head and fastening shank, and martensitic stainless steel, which for the drill point and tapping shank. Super PIASTA is created for drilling stainless steel sheets efficiently by using SUS-420J2 stainless stell, which has high heat resistance for the drill point.

Most trusted best-selling Japanese invented anti-corrosion protection coating.

Strong vibration and shock resistant thread structure.

Greater Non-Loosening Effect & Weight Saving. Although an ordinary spring washer gives the locking effect mainly on split parts, 2 LOCK's spring reaction is forced equally in the ring, and resists turning to maximize non-loosening effect. 

Drilling & Fastening, all in one shot self-drilling rivet for the 1st time in the world. PIAS RIVET can dramatically improve work efficiency.

Leakproof & Corrosion-resistant EPDM rubber washer.

Bolts to meet the trend of steel structure design.

T.C. (Torque Control) Bolts are high strength bolts on steel structural joints.T.C. Bolts are mainly used in steel structures and also in civil engineering.

Bolts to meet the trend of steel structure design.

Bolts to meet the trend of steel structure design.

suitable for different types of collated screw drivers.

Reliable TEC roofing screws for harsh weather.