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Part # A B C D
56559TH 2-1/4" 3-1/8" 1-5/8" 1/2"
56562TH 1-7/8" 5-1/4" 1-1/32" 1/4"
56569TH 2-1/8" 3" 1-5/16" 1/2"
56570TH 3" 3-7/16" 1-7/8" 1/2"
56571TH 3-5/8" 4-5/16" 2-3/8" 1/2"
Threaded Thru Hull
56559TH Threaded Long Thru Hull
56562TH All Thread Long Thru Hull
56569TH All Thread Long Thru Hull
56570TH All Thread Long Thru Hull
56571TH All Thread Long Thru Hull
Part # Inv.Class* Std.Pk. Req.Hole Size NPSM+NPT Thread† Material Finish Fastener Type Fastener Incl. Notes
56559TH B 24 1-5/8" 1-1/4" 316 Stainless Steel Bright polish Grounding Screw Yes † Last ½" is threaded NPT
56562TH B 12 3/4" 1-1/32" 316 Stainless Steel Bright polish Grounding screw Yes † Last ¼" is threaded NPT
56569TH B 24 1" 1-5/16" 316 Stainless Steel Bright polish Grounding screw Yes † Last ½" is threaded NPT
56570TH B 24 1-1/2" 1-7/8" 316 Stainless Steel Bright polish Grounding screw Yes † Last ½" is threaded NPT
56571TH B 12 2" 2-3/8" 316 Stainless Steel Bright polish Grounding screw Yes † Last ½" is threaded NPT
* Indicates inventory availability
  1. Catalog items typically kept in stock and available for immediate shipment.
  2. Catalog items where inventory levels are determined by customer forecasts. May require lead time for new orders.
  3. Produced from custom tooling and stocked to purchase orders only.