OlyLog® is the first threaded log home fastener which requires no pre-drilling and is ACQ approved

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ThruLOK® comes in specific lengths that allow contractors to replace their 1/2" carriage and through-bolts in three primary deck applications:

3/4 x 21 ITM SDS Max X-Cutter Hammer Drill Bit

13/64 Cobalt Heavy Duty Jobber Drill Bit

M30-3.50 x 400 Socket Cap Screw 12.9 Alloy Plain DIN 912 1 1/4-7 Socket Cap Screws Alloy OlyLog® is the first threadedM30 3. 50 x 400 Socket Cap Screw 12. 9 Alloy Plain DIN 912 . Alloy Socket Head Cap Screws from Brighton Best. Hardness of RC 38 43, meets or exceeds DIN 912. Manufactured from heat treated alloy steel, 1960 series.