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Bronze single-cylinder deadlock with flat strike and recessed cylinder collar

Progressive Hardware Co., Inc.

Progressive Hardware Co., Inc. 1776-10 Grade 1 Single Cylinder Deadlock Bronze US10

SKU CH-ZX4Y-XPPKT MPN 1776-10

Grade 1 single-cylinder deadlock in aged bronze with flat strike and SE1 keyway resists tampering if the outer cylinder is compromised

  • Surface finishAged Bronze
  • Grade 1 certification delivers maximum residential security
  • Single cylinder deadlock simplifies daily entry and exit
  • Aged bronze finish resists corrosion and wear
  • SE1 5-pin keyway provides reliable key control
  • Hardened drill-point screws strengthen resistance to forced entry

Grade 1 Single-Cylinder Deadlock

The Progressive Hardware 1776-10 is a Grade 1 single-cylinder deadlock finished in aged bronze (US10). It uses a solid high-strength bronze alloy case and bolt with a flat strike plate. A 5-pin SE1 keyway and recessed cylinder collar are fitted. The design targets exterior doors needing high physical security.

Surface-Mount Jimmy-Proof Design

Because the lock body mounts on the door surface, it avoids the deep mortise cut required by traditional deadbolts. The flat strike engages the frame directly, and hardened drill-point screws anchor the case. This layout resists jimmying and crowbar attacks that exploit the gap on mortise installations.

Bronze Alloy Build and Tamper Guard

The solid bronze construction resists corrosion and heavy impact without the plating wear seen on steel shells. A shutter guard blocks access to the cylinder mechanism if the outer face is attacked. Hardened mounting screws and the recessed collar make drill or wrench removal slower and noisier.

How it compares

Measured against everything we stock in Door Lock Sets & Deadbolts, at today’s prices. Recalculated every night.

Price $71.99
Pricier than about 56% of the 2,145 comparable items (median $55.99).

Specifications

Product
Brand nameProgressive Hardware Co., Inc.
Model name1776-10
Size & build
Surface finishAged Bronze

Questions about this item

Which finish should I choose for the 1776-10 deadlock?

The 1776-10 is offered in an Aged Bronze finish, designated US10, which provides a durable, corrosion-resistant surface that matches traditional bronze hardware.

What does the Grade 1 rating mean for this deadlock in daily use?

Grade 1 is the highest ANSI/BHMA residential security rating, indicating the lock has passed rigorous cycle, strength and impact tests for heavy-duty protection on exterior doors.

How does the SE1 keyway affect key compatibility?

The 5-pin SE1 keyway uses a specific key profile; existing keys cut to a different keyway will not operate this cylinder, so new keys must be cut to the SE1 specification.

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